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18350337039 = 3107401142559
BaseRepresentation
bin10001000101110000…
…111110110000001111
31202100212101201002120
4101011300332300033
5300040141241124
612232515224023
71216511201616
oct210560766017
952325351076
1018350337039
117867317901
1236815a8013
1319659a3cc8
14c6118487d
1572600bd79
hex445c3ec0f

18350337039 has 16 divisors (see below), whose sum is σ = 24757539840. Its totient is φ = 12088918400.

The previous prime is 18350337037. The next prime is 18350337073. The reversal of 18350337039 is 93073305381.

It is a cyclic number.

It is not a de Polignac number, because 18350337039 - 21 = 18350337037 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18350337037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57442 + ... + 200000.

It is an arithmetic number, because the mean of its divisors is an integer number (1547346240).

Almost surely, 218350337039 is an apocalyptic number.

18350337039 is a deficient number, since it is larger than the sum of its proper divisors (6407202801).

18350337039 is a wasteful number, since it uses less digits than its factorization.

18350337039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143070.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 18350337039 in words is "eighteen billion, three hundred fifty million, three hundred thirty-seven thousand, thirty-nine".

Divisors: 1 3 107 321 401 1203 42907 128721 142559 427677 15253813 45761439 57166159 171498477 6116779013 18350337039