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57261980299 = 283284371171
BaseRepresentation
bin110101010101000101…
…000111101010001011
312110210200111222211011
4311111011013222023
51414233031332144
642150014544351
74065001541656
oct652505075213
9173720458734
1057261980299
1122314993367
12b120b080b7
1355274213a4
142ab2da489d
1517521aca34
hexd55147a8b

57261980299 has 8 divisors (see below), whose sum is σ = 57485339712. Its totient is φ = 57038769480.

The previous prime is 57261980261. The next prime is 57261980309. The reversal of 57261980299 is 99208916275.

57261980299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57261980299 - 233 = 48672045707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57261980099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768984 + ... + 840154.

It is an arithmetic number, because the mean of its divisors is an integer number (7185667464).

Almost surely, 257261980299 is an apocalyptic number.

57261980299 is a deficient number, since it is larger than the sum of its proper divisors (223359413).

57261980299 is a wasteful number, since it uses less digits than its factorization.

57261980299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74297.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 57261980299 in words is "fifty-seven billion, two hundred sixty-one million, nine hundred eighty thousand, two hundred ninety-nine".

Divisors: 1 283 2843 71171 804569 20141393 202339153 57261980299