Search a number
-
+
136212512 = 2531612251
BaseRepresentation
bin10000001111001…
…11000000100000
3100111022022102212
420013213000200
5234332300022
621303301252
73242534012
oct1007470040
9314268385
10136212512
116a985527
123974a828
13222b2427
141413a1b2
15be593e2
hex81e7020

136212512 has 48 divisors (see below), whose sum is σ = 281481984. Its totient is φ = 64800000.

The previous prime is 136212493. The next prime is 136212521. The reversal of 136212512 is 215212631.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 59387 + ... + 61637.

It is an arithmetic number, because the mean of its divisors is an integer number (5864208).

Almost surely, 2136212512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136212512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140740992).

136212512 is an abundant number, since it is smaller than the sum of its proper divisors (145269472).

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

136212512 is a wasteful number, since it uses less digits than its factorization.

136212512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2345 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 136212512 is about 11671.0116099677. The cubic root of 136212512 is about 514.5240356935.

The spelling of 136212512 in words is "one hundred thirty-six million, two hundred twelve thousand, five hundred twelve".

Divisors: 1 2 4 8 16 31 32 61 62 122 124 244 248 488 496 976 992 1891 1952 2251 3782 4502 7564 9004 15128 18008 30256 36016 60512 69781 72032 137311 139562 274622 279124 549244 558248 1098488 1116496 2196976 2232992 4256641 4393952 8513282 17026564 34053128 68106256 136212512