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2107139412 = 223730678179
BaseRepresentation
bin111110110011000…
…0110010101010100
312102211221202212110
41331212012111110
513303411430122
6545031151020
7103134250410
oct17546062524
95384852773
102107139412
11991475034
124a9815470
1327771a671
1415dbc7d40
15c4ec790c
hex7d986554

2107139412 has 48 divisors (see below), whose sum is σ = 5621557760. Its totient is φ = 601769952.

The previous prime is 2107139407. The next prime is 2107139413. The reversal of 2107139412 is 2149317012.

It is a self number, because there is not a number n which added to its sum of digits gives 2107139412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107139413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253539 + ... + 261717.

Almost surely, 22107139412 is an apocalyptic number.

It is an amenable number.

2107139412 is an abundant number, since it is smaller than the sum of its proper divisors (3514418348).

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

2107139412 is a wasteful number, since it uses less digits than its factorization.

2107139412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260 (or 11258 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2107139412 is about 45903.5882257586. The cubic root of 2107139412 is about 1282.0287270576.

The spelling of 2107139412 in words is "two billion, one hundred seven million, one hundred thirty-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3067 6134 8179 9201 12268 16358 18402 21469 24537 32716 36804 42938 49074 57253 64407 85876 98148 114506 128814 171759 229012 257628 343518 687036 25084993 50169986 75254979 100339972 150509958 175594951 301019916 351189902 526784853 702379804 1053569706 2107139412