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57001190391 = 3256911130871
BaseRepresentation
bin110101000101100010…
…010010001111110111
312110010111210111022200
4311011202102033313
51413214301043031
642104101155543
74055354060355
oct650542221767
9173114714280
1057001190391
11221a0760012
12b0696bbbb3
1354b53a1732
142a8a4ba7d5
1517393468e6
hexd458923f7

57001190391 has 12 divisors (see below), whose sum is σ = 82479761520. Its totient is φ = 37934004960.

The previous prime is 57001190333. The next prime is 57001190401. The reversal of 57001190391 is 19309110075.

It is not a de Polignac number, because 57001190391 - 26 = 57001190327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57001191391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5560315 + ... + 5570556.

It is an arithmetic number, because the mean of its divisors is an integer number (6873313460).

Almost surely, 257001190391 is an apocalyptic number.

57001190391 is a deficient number, since it is larger than the sum of its proper divisors (25478571129).

57001190391 is a wasteful number, since it uses less digits than its factorization.

57001190391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131446 (or 11131443 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The spelling of 57001190391 in words is "fifty-seven billion, one million, one hundred ninety thousand, three hundred ninety-one".

Divisors: 1 3 9 569 1707 5121 11130871 33392613 100177839 6333465599 19000396797 57001190391