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75890263612957 = 103991729777227
BaseRepresentation
bin10001010000010110010100…
…001101000101111000011101
3100221201001000221210021022121
4101100112110031011320131
534421341224441103312
6425223301130542541
721661614323163523
oct2120262415057035
9327631027707277
1075890263612957
11221a9975399812
12861805b897a51
1333465623674b1
1414a5173492313
158b912eaa8707
hex450594345e1d

75890263612957 has 4 divisors (see below), whose sum is σ = 75890993494176. Its totient is φ = 75889533731740.

The previous prime is 75890263612927. The next prime is 75890263612967. The reversal of 75890263612957 is 75921636209857.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75890263612957 - 215 = 75890263580189 is a prime.

It is a super-2 number, since 2×758902636129572 (a number of 29 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 (75890263612927) 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, 364784623 + ... + 364992604.

It is an arithmetic number, because the mean of its divisors is an integer number (18972748373544).

Almost surely, 275890263612957 is an apocalyptic number.

It is an amenable number.

75890263612957 is a deficient number, since it is larger than the sum of its proper divisors (729881219).

75890263612957 is a wasteful number, since it uses less digits than its factorization.

75890263612957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729881218.

The product of its (nonzero) digits is 342921600, while the sum is 70.

The spelling of 75890263612957 in words is "seventy-five trillion, eight hundred ninety billion, two hundred sixty-three million, six hundred twelve thousand, nine hundred fifty-seven".

Divisors: 1 103991 729777227 75890263612957