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75429744792457 = 11172003201381737
BaseRepresentation
bin10001001001101001011011…
…001001001101001110001001
3100220002000100121101021122111
4101021221123021031032021
534341320104131324312
6424231540230222321
721613422251613556
oct2111513311151611
9326060317337574
1075429744792457
1122041636538890
128562958ab49a1
133311cc09575c3
14148ab67985a2d
158ac17a1278a7
hex449a5b24d389

75429744792457 has 16 divisors (see below), whose sum is σ = 87170904637632. Its totient is φ = 64506597675520.

The previous prime is 75429744792433. The next prime is 75429744792463.

75429744792457 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75429744792457 - 223 = 75429736403849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75429744792487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100316308 + ... + 101065429.

It is an arithmetic number, because the mean of its divisors is an integer number (5448181539852).

Almost surely, 275429744792457 is an apocalyptic number.

It is an amenable number.

75429744792457 is a deficient number, since it is larger than the sum of its proper divisors (11741159845175).

75429744792457 is a wasteful number, since it uses less digits than its factorization.

75429744792457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201383768.

The product of its digits is 4978713600, while the sum is 76.

The spelling of 75429744792457 in words is "seventy-five trillion, four hundred twenty-nine billion, seven hundred forty-four million, seven hundred ninety-two thousand, four hundred fifty-seven".

Divisors: 1 11 17 187 2003 22033 34051 374561 201381737 2215199107 3423489529 37658384819 403367619211 4437043811321 6857249526587 75429744792457