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18292910201 = 127929155047
BaseRepresentation
bin10001000010010101…
…111010100001111001
31202012212100010021122
4101002111322201321
5244430441111301
612223104315025
71215213112466
oct210225724171
952185303248
1018292910201
117837964205
123666312a75
131956b18327
14c576b666d
15720e6681b
hex44257a879

18292910201 has 8 divisors (see below), whose sum is σ = 18456913920. Its totient is φ = 18129218688.

The previous prime is 18292910189. The next prime is 18292910257. The reversal of 18292910201 is 10201929281.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18292910201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18292910281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40460 + ... + 195506.

It is an arithmetic number, because the mean of its divisors is an integer number (2307114240).

Almost surely, 218292910201 is an apocalyptic number.

It is an amenable number.

18292910201 is a deficient number, since it is larger than the sum of its proper divisors (164003719).

18292910201 is a wasteful number, since it uses less digits than its factorization.

18292910201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156103.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 18292910201 in words is "eighteen billion, two hundred ninety-two million, nine hundred ten thousand, two hundred one".

Divisors: 1 127 929 117983 155047 19690969 144038663 18292910201