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12120417910 = 251420785313
BaseRepresentation
bin10110100100110111…
…01110011001110110
31011021200201000200001
423102123232121312
5144310311333120
65322410341514
7606232565236
oct132233563166
934250630601
1012120417910
11515a729407
12242312a89a
1311b20a6a23
1482da05cc6
154ae109e0a
hex2d26ee676

12120417910 has 16 divisors (see below), whose sum is σ = 21818543616. Its totient is φ = 4847769088.

The previous prime is 12120417901. The next prime is 12120417917. The reversal of 12120417910 is 1971402121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120417917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99414 + ... + 184726.

It is an arithmetic number, because the mean of its divisors is an integer number (1363658976).

Almost surely, 212120417910 is an apocalyptic number.

12120417910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120417910 is a deficient number, since it is larger than the sum of its proper divisors (9698125706).

12120417910 is a wasteful number, since it uses less digits than its factorization.

12120417910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99527.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 12120417910 in words is "twelve billion, one hundred twenty million, four hundred seventeen thousand, nine hundred ten".

Divisors: 1 2 5 10 14207 28414 71035 85313 142070 170626 426565 853130 1212041791 2424083582 6060208955 12120417910