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11080437381 = 32132315712621
BaseRepresentation
bin10100101000111001…
…00000111010000101
31001121012210112120200
422110130200322011
5140143042444011
65031300121113
7541404110106
oct122434407205
931535715520
1011080437381
114776688672
122192996199
1310777abb30
1477184c3ad
1544cb7c856
hex294720e85

11080437381 has 48 divisors (see below), whose sum is σ = 18003952512. Its totient is φ = 6515625600.

The previous prime is 11080437371. The next prime is 11080437391. The reversal of 11080437381 is 18373408011.

11080437381 is a `hidden beast` number, since 110 + 80 + 437 + 38 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11080437371) and next prime (11080437391).

It is not a de Polignac number, because 11080437381 - 27 = 11080437253 is a prime.

It is a super-2 number, since 2×110804373812 (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 (11080437371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4226251 + ... + 4228871.

It is an arithmetic number, because the mean of its divisors is an integer number (375082344).

Almost surely, 211080437381 is an apocalyptic number.

It is an amenable number.

11080437381 is a deficient number, since it is larger than the sum of its proper divisors (6923515131).

11080437381 is a wasteful number, since it uses less digits than its factorization.

11080437381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 11080437381 in words is "eleven billion, eighty million, four hundred thirty-seven thousand, three hundred eighty-one".

Divisors: 1 3 9 13 23 39 69 117 207 299 897 1571 2621 2691 4713 7863 14139 20423 23589 34073 36133 60283 61269 102219 108399 180849 183807 306657 325197 469729 542547 783679 1409187 2351037 4117591 4227561 7053111 12352773 37058319 53528683 94704593 160586049 284113779 481758147 852341337 1231159709 3693479127 11080437381