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12700000060 = 2251157727273
BaseRepresentation
bin10111101001111101…
…01001111100111100
31012210002021211220121
423310332221330330
5202002200000220
65500113024324
7626501135146
oct136476517474
935702254817
1012700000060
115427901020
1225652550a4
1312751a3c47
14886995c96
154e4e42eaa
hex2f4fa9f3c

12700000060 has 24 divisors (see below), whose sum is σ = 29094546096. Its totient is φ = 4618181760.

The previous prime is 12700000057. The next prime is 12700000153. The reversal of 12700000060 is 6000000721.

It is a super-2 number, since 2×127000000602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 28863417 + ... + 28863856.

It is an arithmetic number, because the mean of its divisors is an integer number (1212272754).

Almost surely, 212700000060 is an apocalyptic number.

12700000060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12700000060 is an abundant number, since it is smaller than the sum of its proper divisors (16394546036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12700000060 is a wasteful number, since it uses less digits than its factorization.

12700000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57727293 (or 57727291 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 12700000060 its reverse (6000000721), we get a palindrome (18700000781).

The spelling of 12700000060 in words is "twelve billion, seven hundred million, sixty", and thus it is an aban number.

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 57727273 115454546 230909092 288636365 577272730 635000003 1154545460 1270000006 2540000012 3175000015 6350000030 12700000060