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12380610168 = 2332295929411
BaseRepresentation
bin10111000011111000…
…10001111001111000
31011221211022011100100
423201330101321320
5200323414011133
65404303235400
7615542310243
oct134174217170
934854264310
1012380610168
115283593733
1224962a8b60
131223c77644
148563b625a
154c6da3e13
hex2e1f11e78

12380610168 has 48 divisors (see below), whose sum is σ = 34687060200. Its totient is φ = 3984563520.

The previous prime is 12380610167. The next prime is 12380610169. The reversal of 12380610168 is 86101608321.

12380610168 is a `hidden beast` number, since 1 + 2 + 38 + 0 + 610 + 1 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (12380610167) and next prime (12380610169).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380610163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2962618 + ... + 2966793.

Almost surely, 212380610168 is an apocalyptic number.

12380610168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12380610168 is an abundant number, since it is smaller than the sum of its proper divisors (22306450032).

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

12380610168 is a wasteful number, since it uses less digits than its factorization.

12380610168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929452 (or 5929445 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 12380610168 in words is "twelve billion, three hundred eighty million, six hundred ten thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 5929411 11858822 17788233 23717644 35576466 47435288 53364699 71152932 106729398 142305864 171952919 213458796 343905838 426917592 515858757 687811676 1031717514 1375623352 1547576271 2063435028 3095152542 4126870056 6190305084 12380610168