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18367020002 = 237248202973
BaseRepresentation
bin10001000110110000…
…100111101111100010
31202102000210021211002
4101012300213233202
5300103424120002
612234312552002
71220103044162
oct210660475742
952360707732
1018367020002
117875781a81
1236870b2602
131969295696
14c634885a2
15727705002
hex446c27be2

18367020002 has 8 divisors (see below), whose sum is σ = 28295139036. Its totient is φ = 8935306992.

The previous prime is 18367019981. The next prime is 18367020011. The reversal of 18367020002 is 20002076381.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13051006081 + 5316013921 = 114241^2 + 72911^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 124101413 + ... + 124101560.

Almost surely, 218367020002 is an apocalyptic number.

18367020002 is a deficient number, since it is larger than the sum of its proper divisors (9928119034).

18367020002 is a wasteful number, since it uses less digits than its factorization.

18367020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248203012.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 18367020002 its reverse (20002076381), we get a palindrome (38369096383).

The spelling of 18367020002 in words is "eighteen billion, three hundred sixty-seven million, twenty thousand, two".

Divisors: 1 2 37 74 248202973 496405946 9183510001 18367020002