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57711327490 = 2517734650389
BaseRepresentation
bin110101101111110111…
…001111100100000010
312111222000001012021201
4311233313033210002
51421143044434430
642302350011414
74112066122045
oct655767174402
9174860035251
1057711327490
11225255a3583
12b2274a6b6a
13559954cbbb
142b16932c5c
15177b86c8ca
hexd6fdcf902

57711327490 has 32 divisors (see below), whose sum is σ = 111497750640. Its totient is φ = 21428987904.

The previous prime is 57711327481. The next prime is 57711327503. The reversal of 57711327490 is 9472311775.

It can be written as a sum of positive squares in 8 ways, for example, as 50567866129 + 7143461361 = 224873^2 + 84519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57711327490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2312785 + ... + 2337604.

Almost surely, 257711327490 is an apocalyptic number.

57711327490 is a deficient number, since it is larger than the sum of its proper divisors (53786423150).

57711327490 is a wasteful number, since it uses less digits than its factorization.

57711327490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650486.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 57711327490 in words is "fifty-seven billion, seven hundred eleven million, three hundred twenty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 17 34 73 85 146 170 365 730 1241 2482 6205 12410 4650389 9300778 23251945 46503890 79056613 158113226 339478397 395283065 678956794 790566130 1697391985 3394783970 5771132749 11542265498 28855663745 57711327490