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61090492113 = 33736596533
BaseRepresentation
bin111000111001010001…
…101110111011010001
312211200111112112201000
4320321101232323101
52000103131221423
644021541132213
74261610421000
oct707121567321
9184614475630
1061090492113
11239a9a98a12
12ba0b0ba069
1359b765c2b1
142d57638c37
1518c835b843
hexe3946eed1

61090492113 has 32 divisors (see below), whose sum is σ = 105544544000. Its totient is φ = 34908847344.

The previous prime is 61090492093. The next prime is 61090492139. The reversal of 61090492113 is 31129409016.

It is a happy number.

61090492113 is a `hidden beast` number, since 610 + 9 + 0 + 4 + 9 + 21 + 13 = 666.

It is not a de Polignac number, because 61090492113 - 25 = 61090492081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61090492193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3289006 + ... + 3307527.

It is an arithmetic number, because the mean of its divisors is an integer number (3298267000).

Almost surely, 261090492113 is an apocalyptic number.

61090492113 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61090492113 is a deficient number, since it is larger than the sum of its proper divisors (44454051887).

61090492113 is an equidigital number, since it uses as much as digits as its factorization.

61090492113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596563 (or 6596543 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 61090492113 in words is "sixty-one billion, ninety million, four hundred ninety-two thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 27 49 63 147 189 343 441 1029 1323 3087 9261 6596533 19789599 46175731 59368797 138527193 178106391 323230117 415581579 969690351 1246744737 2262610819 2909071053 6787832457 8727213159 20363497371 61090492113