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85713101825 = 52139711324061
BaseRepresentation
bin100111111010011100…
…1100010010000000001
322012020111022201100212
41033310321202100001
52401020023224300
6103213121123505
76123023226101
oct1176471422001
9265214281325
1085713101825
11333948a203a
1214741189595
13810c93c440
144211825201
152369d34935
hex13f4e62401

85713101825 has 48 divisors (see below), whose sum is σ = 116668168176. Its totient is φ = 62086348800.

The previous prime is 85713101813. The next prime is 85713101857. The reversal of 85713101825 is 52810131758.

It is a Cunningham number, because it is equal to 2927682+1.

It can be written as a sum of positive squares in 24 ways, for example, as 69459656704 + 16253445121 = 263552^2 + 127489^2 .

It is not a de Polignac number, because 85713101825 - 28 = 85713101569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3550295 + ... + 3574355.

It is an arithmetic number, because the mean of its divisors is an integer number (2430586837).

Almost surely, 285713101825 is an apocalyptic number.

It is an amenable number.

85713101825 is a deficient number, since it is larger than the sum of its proper divisors (30955066351).

85713101825 is a wasteful number, since it uses less digits than its factorization.

85713101825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24294 (or 24289 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 41.

The spelling of 85713101825 in words is "eighty-five billion, seven hundred thirteen million, one hundred one thousand, eight hundred twenty-five".

Divisors: 1 5 13 25 65 97 113 325 485 565 1261 1469 2425 2825 6305 7345 10961 24061 31525 36725 54805 120305 142493 274025 312793 601525 712465 1563965 2333917 2718893 3562325 7819825 11669585 13594465 30340921 35345609 58347925 67972325 151704605 176728045 263732621 758523025 883640225 1318663105 3428524073 6593315525 17142620365 85713101825