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12676052880 = 2434573127211
BaseRepresentation
bin10111100111000110…
…10011011110010000
31012201102020012120000
423303203103132100
5201430032143010
65453455450000
7626060446251
oct136343233620
935642205500
1012676052880
115415335167
122559226900
13127023b00a
14883720b28
154e2cb27c0
hex2f38d3790

12676052880 has 400 divisors, whose sum is σ = 45193488384. Its totient is φ = 3292047360.

The previous prime is 12676052843. The next prime is 12676052881. The reversal of 12676052880 is 8825067621.

12676052880 is a `hidden beast` number, since 1 + 2 + 67 + 60 + 528 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12676052881) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 60075975 + ... + 60076185.

Almost surely, 212676052880 is an apocalyptic number.

12676052880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12676052880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22596744192).

12676052880 is an abundant number, since it is smaller than the sum of its proper divisors (32517435504).

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

12676052880 is a wasteful number, since it uses less digits than its factorization.

12676052880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 12676052880 in words is "twelve billion, six hundred seventy-six million, fifty-two thousand, eight hundred eighty".