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126415120420 = 22541831857407
BaseRepresentation
bin111010110111011101…
…1011010100000100100
3110002022002100111100001
41311232323122200210
54032344232323140
6134024014431044
712063453536251
oct1655673324044
9402262314301
10126415120420
1149681049036
1220600202484
13bbc8289b04
146193334428
15344d28be9a
hex1d6eeda824

126415120420 has 48 divisors (see below), whose sum is σ = 275223287808. Its totient is φ = 48738333440.

The previous prime is 126415120399. The next prime is 126415120451. The reversal of 126415120420 is 24021514621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860644 + ... + 996763.

It is an arithmetic number, because the mean of its divisors is an integer number (5733818496).

Almost surely, 2126415120420 is an apocalyptic number.

126415120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126415120420 is an abundant number, since it is smaller than the sum of its proper divisors (148808167388).

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

126415120420 is a wasteful number, since it uses less digits than its factorization.

126415120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857540 (or 1857538 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 126415120420 in words is "one hundred twenty-six billion, four hundred fifteen million, one hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 83 164 166 205 332 410 415 820 830 1660 3403 6806 13612 17015 34030 68060 1857407 3714814 7429628 9287035 18574070 37148140 76153687 152307374 154164781 304614748 308329562 380768435 616659124 761536870 770823905 1523073740 1541647810 3083295620 6320756021 12641512042 25283024084 31603780105 63207560210 126415120420