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18327409101 = 3219107177831
BaseRepresentation
bin10001000100011001…
…100001000111001101
31202022021020211212200
4101010121201013031
5300013304042401
612230335552113
71216112256411
oct210431410715
952267224780
1018327409101
1178553877a1
12367598b639
131961006c91
14c5c0d6d41
15723ecd686
hex4446611cd

18327409101 has 12 divisors (see below), whose sum is σ = 27866236320. Its totient is φ = 11575205640.

The previous prime is 18327409091. The next prime is 18327409153. The reversal of 18327409101 is 10190472381.

It is a happy number.

It is not a de Polignac number, because 18327409101 - 214 = 18327392717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18327409201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53588745 + ... + 53589086.

It is an arithmetic number, because the mean of its divisors is an integer number (2322186360).

Almost surely, 218327409101 is an apocalyptic number.

It is an amenable number.

18327409101 is a deficient number, since it is larger than the sum of its proper divisors (9538827219).

18327409101 is a wasteful number, since it uses less digits than its factorization.

18327409101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107177856 (or 107177853 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 18327409101 in words is "eighteen billion, three hundred twenty-seven million, four hundred nine thousand, one hundred one".

Divisors: 1 3 9 19 57 171 107177831 321533493 964600479 2036378789 6109136367 18327409101