Search a number
-
+
15134650531 = 7211134350231
BaseRepresentation
bin11100001100001100…
…00111000010100011
31110001202111220111021
432012012013002203
5221443432304111
610541444030311
71044023256400
oct160606070243
943052456437
1015134650531
11646712aa50
122b24692397
131572702520
14a380752a7
155d8a60d71
hex3861870a3

15134650531 has 48 divisors (see below), whose sum is σ = 21164951808. Its totient is φ = 10632686400.

The previous prime is 15134650513. The next prime is 15134650547. The reversal of 15134650531 is 13505643151.

It is not a de Polignac number, because 15134650531 - 25 = 15134650499 is a prime.

It is a super-2 number, since 2×151346505312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15134650511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276186 + ... + 326416.

It is an arithmetic number, because the mean of its divisors is an integer number (440936496).

Almost surely, 215134650531 is an apocalyptic number.

15134650531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15134650531 is a deficient number, since it is larger than the sum of its proper divisors (6030301277).

15134650531 is a wasteful number, since it uses less digits than its factorization.

15134650531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50312 (or 50305 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 15134650531 in words is "fifteen billion, one hundred thirty-four million, six hundred fifty thousand, five hundred thirty-one".

Divisors: 1 7 11 13 43 49 77 91 143 301 473 539 559 637 1001 2107 3311 3913 6149 7007 23177 27391 43043 50231 301301 351617 552541 653003 2159933 2461319 3867787 4571021 7183033 15119531 23759263 27074509 28079129 31997147 50281231 105836717 166314841 196553903 308870419 351968617 1164203887 1375877321 2162092933 15134650531