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40108410850457 = 172359318285321
BaseRepresentation
bin10010001111010011101111…
…00101001100110010011001
312021000022211010001211100002
421013221313211030302121
520224114011134203312
6221145314413022345
711306510545055105
oct1107516745146231
9167008733054302
1040108410850457
1111863977334654
1245b93417849b5
13194c28c78a5a1
149c93865d0905
154984a255a4c2
hex247a7794cc99

40108410850457 has 4 divisors (see below), whose sum is σ = 42467729135796. Its totient is φ = 37749092565120.

The previous prime is 40108410850447. The next prime is 40108410850463. The reversal of 40108410850457 is 75405801480104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28231592582281 + 11876818268176 = 5313341^2 + 3446276^2 .

It is a cyclic number.

It is not a de Polignac number, because 40108410850457 - 230 = 40107337108633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40108410850447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179659142644 + ... + 1179659142677.

It is an arithmetic number, because the mean of its divisors is an integer number (10616932283949).

Almost surely, 240108410850457 is an apocalyptic number.

It is an amenable number.

40108410850457 is a deficient number, since it is larger than the sum of its proper divisors (2359318285339).

40108410850457 is a wasteful number, since it uses less digits than its factorization.

40108410850457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359318285338.

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 40108410850457 in words is "forty trillion, one hundred eight billion, four hundred ten million, eight hundred fifty thousand, four hundred fifty-seven".

Divisors: 1 17 2359318285321 40108410850457