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105972242597 = 1337339755049
BaseRepresentation
bin110001010110001110…
…0000001100010100101
3101010112101110200220222
41202230130001202211
53214012343230342
6120403304534125
710441043125334
oct1425434014245
9333471420828
10105972242597
1140a40628391
1218655a81345
139cbac0a1c0
1451b42c5d1b
152b536dced2
hex18ac7018a5

105972242597 has 16 divisors (see below), whose sum is σ = 114720236400. Its totient is φ = 97310771712.

The previous prime is 105972242549. The next prime is 105972242617. The reversal of 105972242597 is 795242279501.

It can be written as a sum of positive squares in 8 ways, for example, as 2567550241 + 103404692356 = 50671^2 + 321566^2 .

It is a cyclic number.

It is not a de Polignac number, because 105972242597 - 222 = 105968048293 is a prime.

It is a super-2 number, since 2×1059722425972 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105972244597) 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, 1897529 + ... + 1952577.

It is an arithmetic number, because the mean of its divisors is an integer number (7170014775).

Almost surely, 2105972242597 is an apocalyptic number.

It is an amenable number.

105972242597 is a deficient number, since it is larger than the sum of its proper divisors (8747993803).

105972242597 is a wasteful number, since it uses less digits than its factorization.

105972242597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55832.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 105972242597 in words is "one hundred five billion, nine hundred seventy-two million, two hundred forty-two thousand, five hundred ninety-seven".

Divisors: 1 13 373 397 4849 5161 55049 148081 715637 1925053 20533277 21854453 266932601 284107889 8151710969 105972242597