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75413577531457 = 116855779775587
BaseRepresentation
bin10001001001011010010111…
…100000000000000001000001
3100220000110121212211022220001
4101021122113200000001001
534341034001322001312
6424220304053520001
721612310516303054
oct2111322740000101
9326013555738801
1075413577531457
112203579a541360
12855b7a6643001
13331061533a989
14148a072714a9b
158aba30ae3057
hex449697800041

75413577531457 has 4 divisors (see below), whose sum is σ = 82269357307056. Its totient is φ = 68557797755860.

The previous prime is 75413577531443. The next prime is 75413577531491.

75413577531457 is nontrivially palindromic in base 10.

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 75413577531457 - 27 = 75413577531329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75413577531157) 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, 3427889887783 + ... + 3427889887804.

It is an arithmetic number, because the mean of its divisors is an integer number (20567339326764).

Almost surely, 275413577531457 is an apocalyptic number.

It is an amenable number.

75413577531457 is a deficient number, since it is larger than the sum of its proper divisors (6855779775599).

75413577531457 is a wasteful number, since it uses less digits than its factorization.

75413577531457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855779775598.

The product of its digits is 216090000, while the sum is 64.

The spelling of 75413577531457 in words is "seventy-five trillion, four hundred thirteen billion, five hundred seventy-seven million, five hundred thirty-one thousand, four hundred fifty-seven".

Divisors: 1 11 6855779775587 75413577531457