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105457424661 = 335992165183
BaseRepresentation
bin110001000110111000…
…0001001100100010101
3101002012111202020111000
41202031300021210111
53211434100042121
6120240234333513
710422222214401
oct1421560114425
9332174666430
10105457424661
11407a6a70016
121853158a299
139c383675c4
145165b94101
152b233e9526
hex188dc09915

105457424661 has 16 divisors (see below), whose sum is σ = 156238225920. Its totient is φ = 70302697920.

The previous prime is 105457424641. The next prime is 105457424693. The reversal of 105457424661 is 166424754501.

105457424661 is a `hidden beast` number, since 1 + 0 + 54 + 574 + 24 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 105457424661 - 27 = 105457424533 is a prime.

It is a super-2 number, since 2×1054574246612 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105457424641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585276 + ... + 1650458.

It is an arithmetic number, because the mean of its divisors is an integer number (9764889120).

Almost surely, 2105457424661 is an apocalyptic number.

It is an amenable number.

105457424661 is a deficient number, since it is larger than the sum of its proper divisors (50780801259).

105457424661 is an equidigital number, since it uses as much as digits as its factorization.

105457424661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125113 (or 125107 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 105457424661 in words is "one hundred five billion, four hundred fifty-seven million, four hundred twenty-four thousand, six hundred sixty-one".

Divisors: 1 3 9 27 59921 65183 179763 195549 539289 586647 1617867 1759941 3905830543 11717491629 35152474887 105457424661