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107857725889 = 23210921312
BaseRepresentation
bin110010001110011010…
…0100100100111000001
3101022101210100011202111
41210130310210213001
53231343034212024
6121314341215321
710535546354224
oct1443464444701
9338353304674
10107857725889
1141818968941
1218aa1401541
13a22b72a3a4
1453128915bb
152c13ecea94
hex191cd249c1

107857725889 has 27 divisors (see below), whose sum is σ = 114670280739. Its totient is φ = 101441442960.

The previous prime is 107857725841. The next prime is 107857725893. The reversal of 107857725889 is 988527758701.

The square root of 107857725889 is 328417.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 75176317489 + 32681408400 = 274183^2 + 180780^2 .

It is not a de Polignac number, because 107857725889 - 27 = 107857725761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107857725289) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 823341354 + ... + 823341484.

Almost surely, 2107857725889 is an apocalyptic number.

107857725889 is the 328417-th square number.

107857725889 is the 164209-th centered octagonal number.

It is an amenable number.

107857725889 is a deficient number, since it is larger than the sum of its proper divisors (6812554850).

107857725889 is an frugal number, since it uses more digits than its factorization.

107857725889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 67.

The spelling of 107857725889 in words is "one hundred seven billion, eight hundred fifty-seven million, seven hundred twenty-five thousand, eight hundred eighty-nine".

Divisors: 1 23 109 131 529 2507 3013 11881 14279 17161 57661 69299 273263 328417 394703 1556411 1870549 6285049 7553591 9078169 35797453 43022627 203889841 823341419 989520421 4689466343 107857725889