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57491484399 = 3310919534993
BaseRepresentation
bin110101100010110000…
…100110111011101111
312111101200101000021000
4311202300212323233
51420220310000044
642224454011343
74103456361066
oct654260467357
9174350330230
1057491484399
1122422498178
12b185946b53
135562b38a2b
142ad56671dd
1517673e3d69
hexd62c26eef

57491484399 has 16 divisors (see below), whose sum is σ = 85953973600. Its totient is φ = 37976024448.

The previous prime is 57491484389. The next prime is 57491484439. The reversal of 57491484399 is 99348419475.

57491484399 is a `hidden beast` number, since 5 + 74 + 91 + 48 + 439 + 9 = 666.

It is not a de Polignac number, because 57491484399 - 215 = 57491451631 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 (57491484329) 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, 9764554 + ... + 9770439.

It is an arithmetic number, because the mean of its divisors is an integer number (5372123350).

Almost surely, 257491484399 is an apocalyptic number.

57491484399 is a deficient number, since it is larger than the sum of its proper divisors (28462489201).

57491484399 is a wasteful number, since it uses less digits than its factorization.

57491484399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19535111 (or 19535105 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 57491484399 in words is "fifty-seven billion, four hundred ninety-one million, four hundred eighty-four thousand, three hundred ninety-nine".

Divisors: 1 3 9 27 109 327 981 2943 19534993 58604979 175814937 527444811 2129314237 6387942711 19163828133 57491484399