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57838005025 = 523789702557
BaseRepresentation
bin110101110111011010…
…011110101100100001
312112021211102002012021
4311313122132230201
51421423012130100
642323113101441
74115164634233
oct656732365441
9175254362167
1057838005025
1122590056259
12b2619b7881
1355b9874318
142b296aa253
151787a41a1a
hexd7769eb21

57838005025 has 24 divisors (see below), whose sum is σ = 74485199160. Its totient is φ = 44513948160.

The previous prime is 57838005023. The next prime is 57838005031. The reversal of 57838005025 is 52050083875.

It can be written as a sum of positive squares in 12 ways, for example, as 29898213921 + 27939791104 = 172911^2 + 167152^2 .

It is not a de Polignac number, because 57838005025 - 21 = 57838005023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57838005023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268954 + ... + 433603.

It is an arithmetic number, because the mean of its divisors is an integer number (3103549965).

Almost surely, 257838005025 is an apocalyptic number.

It is an amenable number.

57838005025 is a deficient number, since it is larger than the sum of its proper divisors (16647194135).

57838005025 is a wasteful number, since it uses less digits than its factorization.

57838005025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702693 (or 702688 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 57838005025 in words is "fifty-seven billion, eight hundred thirty-eight million, five thousand, twenty-five".

Divisors: 1 5 25 37 89 185 445 925 2225 3293 16465 82325 702557 3512785 17563925 25994609 62527573 129973045 312637865 649865225 1563189325 2313520201 11567601005 57838005025