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12480124784 = 242131366029
BaseRepresentation
bin10111001111101111…
…11001011101110000
31012012202120000201212
423213313321131300
5201024402443114
65422220215252
7621161211311
oct134767713560
935182500655
1012480124784
115324783516
12250369a528
13123b77b22a
148656bc608
154d09aeb3e
hex2e7df9770

12480124784 has 20 divisors (see below), whose sum is σ = 24191654760. Its totient is φ = 6237117120.

The previous prime is 12480124763. The next prime is 12480124793. The reversal of 12480124784 is 48742108421.

It is a super-2 number, since 2×124801247842 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148919 + ... + 217110.

It is an arithmetic number, because the mean of its divisors is an integer number (1209582738).

Almost surely, 212480124784 is an apocalyptic number.

It is an amenable number.

12480124784 is a deficient number, since it is larger than the sum of its proper divisors (11711529976).

12480124784 is a wasteful number, since it uses less digits than its factorization.

12480124784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368168 (or 368162 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The spelling of 12480124784 in words is "twelve billion, four hundred eighty million, one hundred twenty-four thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 2131 4262 8524 17048 34096 366029 732058 1464116 2928232 5856464 780007799 1560015598 3120031196 6240062392 12480124784