Search a number
-
+
137512751388 = 22311459395949
BaseRepresentation
bin1000000000010001100…
…1100001000100011100
3111010221111111120002020
42000010121201010130
54223111231021023
6143101131300140
712635460046425
oct2000431410434
9433844446066
10137512751388
11533563aa481
12227988aa650
13cc764a885c
14692717a64c
15389c6b3de3
hex200466111c

137512751388 has 12 divisors (see below), whose sum is σ = 320863086600. Its totient is φ = 45837583792.

The previous prime is 137512751357. The next prime is 137512751401. The reversal of 137512751388 is 883157215731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 137512751388.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5729697963 + ... + 5729697986.

It is an arithmetic number, because the mean of its divisors is an integer number (26738590550).

Almost surely, 2137512751388 is an apocalyptic number.

It is an amenable number.

137512751388 is an abundant number, since it is smaller than the sum of its proper divisors (183350335212).

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

137512751388 is a wasteful number, since it uses less digits than its factorization.

137512751388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459395956 (or 11459395954 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The spelling of 137512751388 in words is "one hundred thirty-seven billion, five hundred twelve million, seven hundred fifty-one thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 11459395949 22918791898 34378187847 45837583796 68756375694 137512751388