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10124123412 = 2231364898227
BaseRepresentation
bin10010110110111000…
…11101110100010100
3222010120022202102210
421123130131310110
5131213233422122
64352335033420
7505612425534
oct113334356424
928116282383
1010124123412
114325892847
121b6666b870
13c54629190
146c08334c4
153e3c2a40c
hex25b71dd14

10124123412 has 24 divisors (see below), whose sum is σ = 25440105376. Its totient is φ = 3115114848.

The previous prime is 10124123393. The next prime is 10124123447. The reversal of 10124123412 is 21432142101.

It is a super-2 number, since 2×101241234122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32448958 + ... + 32449269.

Almost surely, 210124123412 is an apocalyptic number.

10124123412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10124123412 is an abundant number, since it is smaller than the sum of its proper divisors (15315981964).

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

10124123412 is a wasteful number, since it uses less digits than its factorization.

10124123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64898247 (or 64898245 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10124123412 its reverse (21432142101), we get a palindrome (31556265513).

The spelling of 10124123412 in words is "ten billion, one hundred twenty-four million, one hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 64898227 129796454 194694681 259592908 389389362 778778724 843676951 1687353902 2531030853 3374707804 5062061706 10124123412