Search a number
-
+
15200681660 = 225760034083
BaseRepresentation
bin11100010100000011…
…11111111010111100
31110020100202122011122
432022001333322330
5222112333303120
610552203210112
71045454443103
oct161201777274
943210678148
1015200681660
1164a043012a
122b42816938
1315832b16b8
14a42b4303a
155de755a25
hex38a07febc

15200681660 has 12 divisors (see below), whose sum is σ = 31921431528. Its totient is φ = 6080272656.

The previous prime is 15200681659. The next prime is 15200681681. The reversal of 15200681660 is 6618600251.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15200681660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380017022 + ... + 380017061.

It is an arithmetic number, because the mean of its divisors is an integer number (2660119294).

Almost surely, 215200681660 is an apocalyptic number.

15200681660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15200681660 is an abundant number, since it is smaller than the sum of its proper divisors (16720749868).

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

15200681660 is a wasteful number, since it uses less digits than its factorization.

15200681660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760034092 (or 760034090 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 15200681660 in words is "fifteen billion, two hundred million, six hundred eighty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 760034083 1520068166 3040136332 3800170415 7600340830 15200681660