Search a number
-
+
139368447776 = 2529216331771
BaseRepresentation
bin1000000111001100000…
…0011011111100100000
3111022201211022200222002
42001303000123330200
54240411310312101
6144005221303132
713032452155115
oct2016300337440
9438654280862
10139368447776
1154118945658
1223016264aa8
13101b0a99a5c
146a617d090c
15395a56ed6b
hex207301bf20

139368447776 has 72 divisors (see below), whose sum is σ = 285921692784. Its totient is φ = 66866446080.

The previous prime is 139368447773. The next prime is 139368447791. The reversal of 139368447776 is 677744863931.

It is a super-3 number, since 3×1393684477763 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (139368447773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4370771 + ... + 4402541.

It is an arithmetic number, because the mean of its divisors is an integer number (3971134622).

Almost surely, 2139368447776 is an apocalyptic number.

139368447776 is a gapful number since it is divisible by the number (16) 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 139368447776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142960846392).

139368447776 is an abundant number, since it is smaller than the sum of its proper divisors (146553245008).

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

139368447776 is a wasteful number, since it uses less digits than its factorization.

139368447776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32002 (or 31965 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 65.

The spelling of 139368447776 in words is "one hundred thirty-nine billion, three hundred sixty-eight million, four hundred forty-seven thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 29 32 58 116 163 232 326 464 652 841 928 1304 1682 2608 3364 4727 5216 6728 9454 13456 18908 26912 31771 37816 63542 75632 127084 137083 151264 254168 274166 508336 548332 921359 1016672 1096664 1842718 2193328 3685436 4386656 5178673 7370872 10357346 14741744 20714692 26719411 29483488 41429384 53438822 82858768 106877644 150181517 165717536 213755288 300363034 427510576 600726068 855021152 1201452136 2402904272 4355263993 4805808544 8710527986 17421055972 34842111944 69684223888 139368447776