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11232620644 = 227257309289
BaseRepresentation
bin10100111011000010…
…00011000001100100
31001222211011020202211
422131201003001210
5141001022330034
65054334013204
7545232462100
oct123541030144
931884136684
1011232620644
114844581163
122215947204
1310a01936bb
14787b44900
1545b1ddd64
hex29d843064

11232620644 has 18 divisors (see below), whose sum is σ = 22866406710. Its totient is φ = 4813980192.

The previous prime is 11232620627. The next prime is 11232620677. The reversal of 11232620644 is 44602623211.

It can be written as a sum of positive squares in only one way, i.e., 7333867044 + 3898753600 = 85638^2 + 62440^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28654449 + ... + 28654840.

Almost surely, 211232620644 is an apocalyptic number.

11232620644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11232620644 is an abundant number, since it is smaller than the sum of its proper divisors (11633786066).

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

11232620644 is a wasteful number, since it uses less digits than its factorization.

11232620644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57309307 (or 57309298 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 11232620644 in words is "eleven billion, two hundred thirty-two million, six hundred twenty thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 57309289 114618578 229237156 401165023 802330046 1604660092 2808155161 5616310322 11232620644