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18392670009 = 327291947143
BaseRepresentation
bin10001001000010010…
…011101111100111001
31202110211001110000100
4101020102131330321
5300132010420014
612241030430013
71220534054430
oct211022357471
952424043010
1018392670009
11788920122a
123693802309
1319716a66bc
14c66a44117
15729ac0009
hex44849df39

18392670009 has 12 divisors (see below), whose sum is σ = 30362502976. Its totient is φ = 10510097112.

The previous prime is 18392670007. The next prime is 18392670011. The reversal of 18392670009 is 90007629381.

It is an interprime number because it is at equal distance from previous prime (18392670007) and next prime (18392670011).

It is not a de Polignac number, because 18392670009 - 21 = 18392670007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18392670007) 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 11 ways as a sum of consecutive naturals, for example, 145973509 + ... + 145973634.

Almost surely, 218392670009 is an apocalyptic number.

It is an amenable number.

18392670009 is a deficient number, since it is larger than the sum of its proper divisors (11969832967).

18392670009 is a wasteful number, since it uses less digits than its factorization.

18392670009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291947156 (or 291947153 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 18392670009 in words is "eighteen billion, three hundred ninety-two million, six hundred seventy thousand, nine".

Divisors: 1 3 7 9 21 63 291947143 875841429 2043630001 2627524287 6130890003 18392670009