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42496011957 = 372023619617
BaseRepresentation
bin100111100100111101…
…011010111010110101
311001200121202002012210
4213210331122322311
51144012434340312
631304501004033
73033043066410
oct474475327265
9131617662183
1042496011957
1117027988843
12829b9b3619
134013216709
1420b1ca0b77
15118abc5e3c
hex9e4f5aeb5

42496011957 has 8 divisors (see below), whose sum is σ = 64755827776. Its totient is φ = 24283435392.

The previous prime is 42496011937. The next prime is 42496011989. The reversal of 42496011957 is 75911069424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42496011957 - 215 = 42495979189 is a prime.

It is a super-2 number, since 2×424960119572 (a number of 22 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 (42496011937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011809788 + ... + 1011809829.

It is an arithmetic number, because the mean of its divisors is an integer number (8094478472).

Almost surely, 242496011957 is an apocalyptic number.

It is an amenable number.

42496011957 is a deficient number, since it is larger than the sum of its proper divisors (22259815819).

42496011957 is a wasteful number, since it uses less digits than its factorization.

42496011957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023619627.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 42496011957 in words is "forty-two billion, four hundred ninety-six million, eleven thousand, nine hundred fifty-seven".

Divisors: 1 3 7 21 2023619617 6070858851 14165337319 42496011957