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57002673727477 = 72137902769129
BaseRepresentation
bin11001111010111111110000…
…00111100110011111110101
321110211101212100012200002201
430331133320013212133311
524432412433433234402
6321122400010104501
715002210252122222
oct1475377007463765
9243741770180081
1057002673727477
1117187775298465
12648760011b131
1325a6437c6686a
141010d30994949
1568cb84e54687
hex33d7f81e67f5

57002673727477 has 4 divisors (see below), whose sum is σ = 57010576503820. Its totient is φ = 56994770951136.

The previous prime is 57002673727459. The next prime is 57002673727567. The reversal of 57002673727477 is 77472737620075.

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 43315234007761 + 13687439719716 = 6581431^2 + 3699654^2 .

It is a cyclic number.

It is not a de Polignac number, because 57002673727477 - 223 = 57002665338869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57002670727477) 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, 3951377352 + ... + 3951391777.

It is an arithmetic number, because the mean of its divisors is an integer number (14252644125955).

Almost surely, 257002673727477 is an apocalyptic number.

It is an amenable number.

57002673727477 is a deficient number, since it is larger than the sum of its proper divisors (7902776343).

57002673727477 is an equidigital number, since it uses as much as digits as its factorization.

57002673727477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902776342.

The product of its (nonzero) digits is 169414560, while the sum is 64.

The spelling of 57002673727477 in words is "fifty-seven trillion, two billion, six hundred seventy-three million, seven hundred twenty-seven thousand, four hundred seventy-seven".

Divisors: 1 7213 7902769129 57002673727477