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57877992433 = 233248403401
BaseRepresentation
bin110101111001110011…
…000001001111110001
312112101121122122121101
4311321303001033301
51422013231224213
642331102124401
74116161550502
oct657163011761
9175347578541
1057877992433
11226006883a8
12b273280701
1355c4c35201
142b30b18ba9
15178b2debdd
hexd79cc13f1

57877992433 has 4 divisors (see below), whose sum is σ = 58126396068. Its totient is φ = 57629588800.

The previous prime is 57877992421. The next prime is 57877992461. The reversal of 57877992433 is 33429977875.

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 29972958129 + 27905034304 = 173127^2 + 167048^2 .

It is a cyclic number.

It is not a de Polignac number, because 57877992433 - 29 = 57877991921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57877992493) 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, 124201468 + ... + 124201933.

It is an arithmetic number, because the mean of its divisors is an integer number (14531599017).

Almost surely, 257877992433 is an apocalyptic number.

It is an amenable number.

57877992433 is a deficient number, since it is larger than the sum of its proper divisors (248403635).

57877992433 is a wasteful number, since it uses less digits than its factorization.

57877992433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248403634.

The product of its digits is 80015040, while the sum is 64.

The spelling of 57877992433 in words is "fifty-seven billion, eight hundred seventy-seven million, nine hundred ninety-two thousand, four hundred thirty-three".

Divisors: 1 233 248403401 57877992433