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11388540352 = 26729876581
BaseRepresentation
bin10101001101100111…
…10101010111000000
31002101200112210101211
422212303311113000
5141310431242402
65122023535504
7552134665360
oct124663652700
932350483354
1011388540352
114914596a22
122259bba594
1310c6585b97
147a07309a0
15469c3c4d7
hex2a6cf55c0

11388540352 has 56 divisors (see below), whose sum is σ = 26718219360. Its totient is φ = 4712494080.

The previous prime is 11388540341. The next prime is 11388540377. The reversal of 11388540352 is 25304588311.

11388540352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425299 + ... + 451282.

It is an arithmetic number, because the mean of its divisors is an integer number (477111060).

Almost surely, 211388540352 is an apocalyptic number.

It is an amenable number.

11388540352 is an abundant number, since it is smaller than the sum of its proper divisors (15329679008).

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

11388540352 is an equidigital number, since it uses as much as digits as its factorization.

11388540352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876629 (or 876619 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 11388540352 in words is "eleven billion, three hundred eighty-eight million, five hundred forty thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 64 112 116 203 224 232 406 448 464 812 928 1624 1856 3248 6496 12992 876581 1753162 3506324 6136067 7012648 12272134 14025296 24544268 25420849 28050592 49088536 50841698 56101184 98177072 101683396 177945943 196354144 203366792 355891886 392708288 406733584 711783772 813467168 1423567544 1626934336 2847135088 5694270176 11388540352