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12607807680 = 2633513112249
BaseRepresentation
bin10111011110111101…
…11110000011000000
31012112122210222202000
423233132332003000
5201310044321210
65443021024000
7624301411536
oct135736760300
935478728660
1012607807680
11538a862576
12253a3b5000
13125c065140
14878638156
154dbcd1ac0
hex2ef7be0c0

12607807680 has 224 divisors, whose sum is σ = 47899320000. Its totient is φ = 3103432704.

The previous prime is 12607807661. The next prime is 12607807697. The reversal of 12607807680 is 8670870621.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56196 + ... + 168444.

It is an arithmetic number, because the mean of its divisors is an integer number (213836250).

Almost surely, 212607807680 is an apocalyptic number.

12607807680 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 12607807680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23949660000).

12607807680 is an abundant number, since it is smaller than the sum of its proper divisors (35291512320).

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

12607807680 is a wasteful number, since it uses less digits than its factorization.

12607807680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112288 (or 112272 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 12607807680 in words is "twelve billion, six hundred seven million, eight hundred seven thousand, six hundred eighty".