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18190929202 = 267135753203
BaseRepresentation
bin10000111100010000…
…111000110100110010
31201221202102221122121
4100330100320310302
5244223334213302
612205022424454
71212534230005
oct207420706462
951852387577
1018190929202
11779533a396
12363813212a
13193b95cc44
14c47d2b53c
1571701ee37
hex43c438d32

18190929202 has 8 divisors (see below), whose sum is σ = 27693653616. Its totient is φ = 8959711332.

The previous prime is 18190929199. The next prime is 18190929221. The reversal of 18190929202 is 20292909181.

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, 67876468 + ... + 67876735.

It is an arithmetic number, because the mean of its divisors is an integer number (3461706702).

Almost surely, 218190929202 is an apocalyptic number.

18190929202 is a deficient number, since it is larger than the sum of its proper divisors (9502724414).

18190929202 is a wasteful number, since it uses less digits than its factorization.

18190929202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135753272.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 18190929202 in words is "eighteen billion, one hundred ninety million, nine hundred twenty-nine thousand, two hundred two".

Divisors: 1 2 67 134 135753203 271506406 9095464601 18190929202