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42979195758 = 2318613849113
BaseRepresentation
bin101000000001110000…
…100111101101101110
311002221021221100210010
4220001300213231232
51201010133231013
631424441154050
73051031064502
oct500160475556
9132837840703
1042979195758
11172556a99a4
1283b578b926
13408c3615a5
14211a11a302
1511b831b7c3
hexa01c27b6e

42979195758 has 16 divisors (see below), whose sum is σ = 86004603216. Its totient is φ = 14318696640.

The previous prime is 42979195741. The next prime is 42979195817. The reversal of 42979195758 is 85759197924.

It is a super-2 number, since 2×429791957582 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1913391 + ... + 1935722.

It is an arithmetic number, because the mean of its divisors is an integer number (5375287701).

Almost surely, 242979195758 is an apocalyptic number.

42979195758 is an abundant number, since it is smaller than the sum of its proper divisors (43025407458).

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

42979195758 is a wasteful number, since it uses less digits than its factorization.

42979195758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850979.

The product of its digits is 57153600, while the sum is 66.

The spelling of 42979195758 in words is "forty-two billion, nine hundred seventy-nine million, one hundred ninety-five thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 1861 3722 5583 11166 3849113 7698226 11547339 23094678 7163199293 14326398586 21489597879 42979195758