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12250355230 = 251279645949
BaseRepresentation
bin10110110100010110…
…11001011000011110
31011121202012112011101
423122023121120132
5200042042331410
65343331343314
7612401205241
oct133213313036
934552175141
1012250355230
115217008223
12245a751b3a
131202c9cb09
14842d8b258
154ba724d3a
hex2da2d961e

12250355230 has 16 divisors (see below), whose sum is σ = 22224268800. Its totient is φ = 4861557792.

The previous prime is 12250355209. The next prime is 12250355231. The reversal of 12250355230 is 3255305221.

It is a super-2 number, since 2×122503552302 (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 (12250355231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821705 + ... + 4824244.

It is an arithmetic number, because the mean of its divisors is an integer number (1389016800).

Almost surely, 212250355230 is an apocalyptic number.

12250355230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12250355230 is a deficient number, since it is larger than the sum of its proper divisors (9973913570).

12250355230 is a wasteful number, since it uses less digits than its factorization.

12250355230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646083.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 12250355230 in words is "twelve billion, two hundred fifty million, three hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 127 254 635 1270 9645949 19291898 48229745 96459490 1225035523 2450071046 6125177615 12250355230