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18964907120002 = 210986994986789
BaseRepresentation
bin1000100111111100111001…
…00011010101010110000010
32111011000201222121001211111
410103332130203111112002
54441210112210320002
6104200205201233534
73665112035510224
oct423763443252602
974130658531744
1018964907120002
116051a76722a88
1221636390328aa
13a774c97a475c
14497c9924c414
1522d4c28443d7
hex113f9c8d5582

18964907120002 has 8 divisors (see below), whose sum is σ = 28708345640700. Its totient is φ = 9395458573104.

The previous prime is 18964907119957. The next prime is 18964907120053. The reversal of 18964907120002 is 20002170946981.

It can be written as a sum of positive squares in 2 ways, for example, as 17650745235841 + 1314161884161 = 4201279^2 + 1146369^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43497493177 + ... + 43497493612.

Almost surely, 218964907120002 is an apocalyptic number.

18964907120002 is a deficient number, since it is larger than the sum of its proper divisors (9743438520698).

18964907120002 is a wasteful number, since it uses less digits than its factorization.

18964907120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86994986900.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 18964907120002 in words is "eighteen trillion, nine hundred sixty-four billion, nine hundred seven million, one hundred twenty thousand, two".

Divisors: 1 2 109 218 86994986789 173989973578 9482453560001 18964907120002