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13242129818 = 231534029863
BaseRepresentation
bin11000101010100101…
…01101110110011010
31021011212101220010112
430111102231312122
5204104441123233
610030000444322
7646103150321
oct142522556632
937155356115
1013242129818
115685923145
1226969196a2
1313305ba098
148d89970b8
1552782e048
hex3154add9a

13242129818 has 16 divisors (see below), whose sum is σ = 20890814976. Its totient is φ = 6286584720.

The previous prime is 13242129751. The next prime is 13242129869. The reversal of 13242129818 is 81892124231.

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, 2011646 + ... + 2018217.

It is an arithmetic number, because the mean of its divisors is an integer number (1305675936).

Almost surely, 213242129818 is an apocalyptic number.

13242129818 is a deficient number, since it is larger than the sum of its proper divisors (7648685158).

13242129818 is a wasteful number, since it uses less digits than its factorization.

13242129818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029949.

The product of its digits is 55296, while the sum is 41.

The spelling of 13242129818 in words is "thirteen billion, two hundred forty-two million, one hundred twenty-nine thousand, eight hundred eighteen".

Divisors: 1 2 31 53 62 106 1643 3286 4029863 8059726 124925753 213582739 249851506 427165478 6621064909 13242129818