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15040345105 = 54991960259
BaseRepresentation
bin11100000000111100…
…10111010000010001
31102211012001200202201
432000132113100101
5221300312020410
610524234443201
71041466552432
oct160036272021
942735050681
1015040345105
116418978985
122ab8b93501
1315590039b6
14a29727489
155d063383a
hex380797411

15040345105 has 8 divisors (see below), whose sum is σ = 18049075200. Its totient is φ = 12031835376.

The previous prime is 15040345097. The next prime is 15040345123. The reversal of 15040345105 is 50154304051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15040345105 - 23 = 15040345097 is a prime.

It is a super-2 number, since 2×150403451052 (a number of 21 digits) contains 22 as substring.

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, 219466 + ... + 279724.

It is an arithmetic number, because the mean of its divisors is an integer number (2256134400).

Almost surely, 215040345105 is an apocalyptic number.

It is an amenable number.

15040345105 is a deficient number, since it is larger than the sum of its proper divisors (3008730095).

15040345105 is an equidigital number, since it uses as much as digits as its factorization.

15040345105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110183.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 15040345105 its reverse (50154304051), we get a palindrome (65194649156).

The spelling of 15040345105 in words is "fifteen billion, forty million, three hundred forty-five thousand, one hundred five".

Divisors: 1 5 49919 60259 249595 301295 3008069021 15040345105