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11293844172 = 2231372396437
BaseRepresentation
bin10101000010010101…
…00110001011001100
31002011002100201122220
422201022212023030
5141112211003142
65104402135340
7546605043252
oct124112461314
932132321586
1011293844172
114876098316
122232351550
1310aca7b540
14791d205d2
154617842ec
hex2a12a62cc

11293844172 has 24 divisors (see below), whose sum is σ = 28379403696. Its totient is φ = 3475028928.

The previous prime is 11293844171. The next prime is 11293844231. The reversal of 11293844172 is 27144839211.

It is not an unprimeable number, because it can be changed into a prime (11293844171) 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, 36198063 + ... + 36198374.

It is an arithmetic number, because the mean of its divisors is an integer number (1182475154).

Almost surely, 211293844172 is an apocalyptic number.

11293844172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11293844172 is an abundant number, since it is smaller than the sum of its proper divisors (17085559524).

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

11293844172 is a wasteful number, since it uses less digits than its factorization.

11293844172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72396457 (or 72396455 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The spelling of 11293844172 in words is "eleven billion, two hundred ninety-three million, eight hundred forty-four thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 72396437 144792874 217189311 289585748 434378622 868757244 941153681 1882307362 2823461043 3764614724 5646922086 11293844172