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12087830151 = 3553938569
BaseRepresentation
bin10110100000111110…
…11010011010000111
31011012102101101200000
423100133122122013
5144223441031101
65315244052343
7605355601215
oct132037323207
934172341600
1012087830151
1151432a0781
1224142340b3
1311a8406c27
14829561cb5
154ab31e486
hex2d07da687

12087830151 has 24 divisors (see below), whose sum is σ = 18448531920. Its totient is φ = 7906496832.

The previous prime is 12087830137. The next prime is 12087830177. The reversal of 12087830151 is 15103878021.

It is not a de Polignac number, because 12087830151 - 25 = 12087830119 is a prime.

It is a super-2 number, since 2×120878301512 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087830101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456406 + ... + 482163.

It is an arithmetic number, because the mean of its divisors is an integer number (768688830).

Almost surely, 212087830151 is an apocalyptic number.

12087830151 is a deficient number, since it is larger than the sum of its proper divisors (6360701769).

12087830151 is an frugal number, since it uses more digits than its factorization.

12087830151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938637 (or 938625 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 12087830151 in words is "twelve billion, eighty-seven million, eight hundred thirty thousand, one hundred fifty-one".

Divisors: 1 3 9 27 53 81 159 243 477 1431 4293 12879 938569 2815707 8447121 25341363 49744157 76024089 149232471 228072267 447697413 1343092239 4029276717 12087830151