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18041659002 = 2323492871961
BaseRepresentation
bin10000110011010111…
…011101111001111010
31201120100120020102200
4100303113131321322
5243422131042002
612142131211030
71206042366633
oct206327357172
951510506380
1018041659002
117719056494
1235b6146a76
131916a58293
14c3219288a
15708d86b1c
hex4335dde7a

18041659002 has 24 divisors (see below), whose sum is σ = 39202281300. Its totient is φ = 5996652480.

The previous prime is 18041659001. The next prime is 18041659021. The reversal of 18041659002 is 20095614081.

It can be written as a sum of positive squares in 2 ways, for example, as 17413705521 + 627953481 = 131961^2 + 25059^2 .

It is not an unprimeable number, because it can be changed into a prime (18041659001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429699 + ... + 1442262.

Almost surely, 218041659002 is an apocalyptic number.

18041659002 is an abundant number, since it is smaller than the sum of its proper divisors (21160622298).

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

18041659002 is a wasteful number, since it uses less digits than its factorization.

18041659002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872318 (or 2872315 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 18041659002 in words is "eighteen billion, forty-one million, six hundred fifty-nine thousand, two".

Divisors: 1 2 3 6 9 18 349 698 1047 2094 3141 6282 2871961 5743922 8615883 17231766 25847649 51695298 1002314389 2004628778 3006943167 6013886334 9020829501 18041659002