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18675705148 = 2229531581079
BaseRepresentation
bin10001011001001010…
…001010010100111100
31210012112122010020021
4101121022022110330
5301221440031043
612325101101524
71230541605652
oct213112122474
953175563207
1018675705148
117a13a48771
1237525578a4
1319b8214709
14c9247cdd2
1574487c3ed
hex45928a53c

18675705148 has 12 divisors (see below), whose sum is σ = 32693572240. Its totient is φ = 9334684512.

The previous prime is 18675705133. The next prime is 18675705173. The reversal of 18675705148 is 84150757681.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18675705095 and 18675705104.

It is a congruent number.

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, 778728 + ... + 802351.

Almost surely, 218675705148 is an apocalyptic number.

It is an amenable number.

18675705148 is a deficient number, since it is larger than the sum of its proper divisors (14017867092).

18675705148 is a wasteful number, since it uses less digits than its factorization.

18675705148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584036 (or 1584034 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 18675705148 in words is "eighteen billion, six hundred seventy-five million, seven hundred five thousand, one hundred forty-eight".

Divisors: 1 2 4 2953 5906 11812 1581079 3162158 6324316 4668926287 9337852574 18675705148