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11057730492 = 2232153427997
BaseRepresentation
bin10100100110001011…
…11001001110111100
31001112122001220120210
422103011321032330
5140121234333432
65025125312420
7541010105214
oct122305711674
931478056523
1011057730492
114764889646
122187265710
131072b8b5c3
1476c81b244
1544ab948cc
hex2931793bc

11057730492 has 24 divisors (see below), whose sum is σ = 25813415376. Its totient is φ = 3684189568.

The previous prime is 11057730449. The next prime is 11057730503. The reversal of 11057730492 is 29403775011.

It is a self number, because there is not a number n which added to its sum of digits gives 11057730492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188163 + ... + 239834.

It is an arithmetic number, because the mean of its divisors is an integer number (1075558974).

Almost surely, 211057730492 is an apocalyptic number.

11057730492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11057730492 is an abundant number, since it is smaller than the sum of its proper divisors (14755684884).

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

11057730492 is a wasteful number, since it uses less digits than its factorization.

11057730492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430157 (or 430155 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 11057730492 in words is "eleven billion, fifty-seven million, seven hundred thirty thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 2153 4306 6459 8612 12918 25836 427997 855994 1283991 1711988 2567982 5135964 921477541 1842955082 2764432623 3685910164 5528865246 11057730492