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18926145283 = 130133134391
BaseRepresentation
bin10001101000000101…
…100000111100000011
31210211222212210111211
4101220011200330003
5302230043122113
612410004550551
71240002403063
oct215005407403
953758783454
1018926145283
118032352091
1238023b2457
131a2807c546
14cb78313a3
1575b84bb3d
hex468160f03

18926145283 has 8 divisors (see below), whose sum is σ = 18950724576. Its totient is φ = 18901584000.

The previous prime is 18926145269. The next prime is 18926145289. The reversal of 18926145283 is 38254162981.

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

It is a cyclic number.

It is not a de Polignac number, because 18926145283 - 213 = 18926137091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18926145289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308018 + ... + 4312408.

It is an arithmetic number, because the mean of its divisors is an integer number (2368840572).

Almost surely, 218926145283 is an apocalyptic number.

18926145283 is a deficient number, since it is larger than the sum of its proper divisors (24579293).

18926145283 is a wasteful number, since it uses less digits than its factorization.

18926145283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005.

The product of its digits is 829440, while the sum is 49.

The spelling of 18926145283 in words is "eighteen billion, nine hundred twenty-six million, one hundred forty-five thousand, two hundred eighty-three".

Divisors: 1 1301 3313 4391 4310213 5712691 14547383 18926145283