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104212725408 = 253211173190147
BaseRepresentation
bin110000100001110001…
…1111111111010100000
3100221222202121222002200
41201003203333322200
53201411424203113
6115512532213200
710346326356531
oct1410343777240
9327882558080
10104212725408
1140218404050
121824476a200
139a9a52267c
14508874a688
152a9dece873
hex18438ffea0

104212725408 has 144 divisors (see below), whose sum is σ = 325166770656. Its totient is φ = 31396907520.

The previous prime is 104212725347. The next prime is 104212725443. The reversal of 104212725408 is 804527212401.

104212725408 is a `hidden beast` number, since 1 + 0 + 42 + 1 + 2 + 72 + 540 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452991 + ... + 643137.

It is an arithmetic number, because the mean of its divisors is an integer number (2258102574).

Almost surely, 2104212725408 is an apocalyptic number.

104212725408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104212725408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162583385328).

104212725408 is an abundant number, since it is smaller than the sum of its proper divisors (220954045248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104212725408 is a wasteful number, since it uses less digits than its factorization.

104212725408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190347 (or 190336 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

Adding to 104212725408 its reverse (804527212401), we get a palindrome (908739937809).

The spelling of 104212725408 in words is "one hundred four billion, two hundred twelve million, seven hundred twenty-five thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 173 176 198 264 288 346 352 396 519 528 692 792 1038 1056 1384 1557 1584 1903 2076 2768 3114 3168 3806 4152 5536 5709 6228 7612 8304 11418 12456 15224 16608 17127 22836 24912 30448 34254 45672 49824 60896 68508 91344 137016 182688 190147 274032 380294 548064 570441 760588 1140882 1521176 1711323 2091617 2281764 3042352 3422646 4183234 4563528 6084704 6274851 6845292 8366468 9127056 12549702 13690584 16732936 18254112 18824553 25099404 27381168 32895431 33465872 37649106 50198808 54762336 65790862 66931744 75298212 98686293 100397616 131581724 150596424 197372586 200795232 263163448 296058879 301192848 361849741 394745172 526326896 592117758 602385696 723699482 789490344 1052653792 1085549223 1184235516 1447398964 1578980688 2171098446 2368471032 2894797928 3157961376 3256647669 4342196892 4736942064 5789595856 6513295338 8684393784 9473884128 11579191712 13026590676 17368787568 26053181352 34737575136 52106362704 104212725408