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15103102242 = 2319891488577
BaseRepresentation
bin11100001000011011…
…10000110100100010
31102222120011002101010
432010031300310202
5221412343232432
610534355521350
71043161152024
oct160415606442
942876132333
1015103102242
116450342288
122b15bb9256
1315690078b7
14a33bc2014
155d5dcd3cc
hex384370d22

15103102242 has 32 divisors (see below), whose sum is σ = 32153284800. Its totient is φ = 4715808768.

The previous prime is 15103102219. The next prime is 15103102253. The reversal of 15103102242 is 24220130151.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734143 + ... + 754434.

It is an arithmetic number, because the mean of its divisors is an integer number (1004790150).

Almost surely, 215103102242 is an apocalyptic number.

15103102242 is an abundant number, since it is smaller than the sum of its proper divisors (17050182558).

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

15103102242 is a wasteful number, since it uses less digits than its factorization.

15103102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488690.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 15103102242 its reverse (24220130151), we get a palindrome (39323232393).

The spelling of 15103102242 in words is "fifteen billion, one hundred three million, one hundred two thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 89 114 178 267 534 1691 3382 5073 10146 1488577 2977154 4465731 8931462 28282963 56565926 84848889 132483353 169697778 264966706 397450059 794900118 2517183707 5034367414 7551551121 15103102242