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13285127506 = 278771082027
BaseRepresentation
bin11000101111101101…
…01111010101010010
31021021212022101212111
430113312233111102
5204201443040011
610034134215534
7650134502110
oct142766572522
937255271774
1013285127506
1156a8120a22
1226a91b45aa
1313394931c1
1490058aab0
1552b4c4121
hex317daf552

13285127506 has 16 divisors (see below), whose sum is σ = 22800494016. Its totient is φ = 5687128656.

The previous prime is 13285127483. The next prime is 13285127519. The reversal of 13285127506 is 60572158231.

It is a super-2 number, since 2×132851275062 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528736 + ... + 553291.

It is an arithmetic number, because the mean of its divisors is an integer number (1425030876).

Almost surely, 213285127506 is an apocalyptic number.

13285127506 is a deficient number, since it is larger than the sum of its proper divisors (9515366510).

13285127506 is a wasteful number, since it uses less digits than its factorization.

13285127506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082913.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 13285127506 in words is "thirteen billion, two hundred eighty-five million, one hundred twenty-seven thousand, five hundred six".

Divisors: 1 2 7 14 877 1754 6139 12278 1082027 2164054 7574189 15148378 948937679 1897875358 6642563753 13285127506