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10486137985 = 529149569853
BaseRepresentation
bin10011100010000010…
…11100010010000001
31000001210112000001221
421301001130102001
5132433422403420
64452310155041
7520566462601
oct116101342201
930053460057
1010486137985
1144a1173744
122047952a81
13cb162ab9b
1471694ac01
154158d8caa
hex27105c481

10486137985 has 32 divisors (see below), whose sum is σ = 13143060000. Its totient is φ = 8021723136.

The previous prime is 10486137979. The next prime is 10486138021. The reversal of 10486137985 is 58973168401.

It can be written as a sum of positive squares in 16 ways, for example, as 8532586384 + 1953551601 = 92372^2 + 44199^2 .

It is a cyclic number.

It is not a de Polignac number, because 10486137985 - 217 = 10486006913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12292819 + ... + 12293671.

It is an arithmetic number, because the mean of its divisors is an integer number (410720625).

Almost surely, 210486137985 is an apocalyptic number.

It is an amenable number.

10486137985 is a deficient number, since it is larger than the sum of its proper divisors (2656922015).

10486137985 is a wasteful number, since it uses less digits than its factorization.

10486137985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 10486137985 in words is "ten billion, four hundred eighty-six million, one hundred thirty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 29 145 149 569 745 853 2845 4265 4321 16501 21605 24737 82505 84781 123685 127097 423905 485357 635485 2426785 2458649 3685813 12293245 14075353 18429065 70376765 72318193 361590965 2097227597 10486137985