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105117210672 = 24313229165541
BaseRepresentation
bin110000111100101111…
…0010101100000110000
3101001022210120120121220
41201321132111200300
53210240001220142
6120142402345040
710410621356025
oct1417136254060
9331283516556
10105117210672
1140641a1a231
121845765b180
139bb2a29756
14513291354c
152b035e52ec
hex1879795830

105117210672 has 40 divisors (see below), whose sum is σ = 271574961840. Its totient is φ = 35036209920.

The previous prime is 105117210619. The next prime is 105117210677. The reversal of 105117210672 is 276012711501.

105117210672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051172106722 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105117210677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552222 + ... + 717762.

It is an arithmetic number, because the mean of its divisors is an integer number (6789374046).

Almost surely, 2105117210672 is an apocalyptic number.

105117210672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105117210672 is an abundant number, since it is smaller than the sum of its proper divisors (166457751168).

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

105117210672 is a wasteful number, since it uses less digits than its factorization.

105117210672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178781 (or 178775 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 105117210672 in words is "one hundred five billion, one hundred seventeen million, two hundred ten thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 13229 26458 39687 52916 79374 105832 158748 165541 211664 317496 331082 496623 634992 662164 993246 1324328 1986492 2648656 3972984 7945968 2189941889 4379883778 6569825667 8759767556 13139651334 17519535112 26279302668 35039070224 52558605336 105117210672