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18883056152 = 23101151154769
BaseRepresentation
bin10001100101100001…
…001001001000011000
31210201222210122100002
4101211201021020120
5302133030244102
612401425232132
71235640220562
oct214541111030
953658718302
1018883056152
11800aaa1634
1237aba92648
131a1c17390c
14cb1c16332
15757b89902
hex465849218

18883056152 has 32 divisors (see below), whose sum is σ = 35993311200. Its totient is φ = 9286080000.

The previous prime is 18883056139. The next prime is 18883056167. The reversal of 18883056152 is 25165038881.

It is a happy number.

It is a super-3 number, since 3×188830561523 (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18883056097 and 18883056106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44624 + ... + 199392.

It is an arithmetic number, because the mean of its divisors is an integer number (1124790975).

Almost surely, 218883056152 is an apocalyptic number.

It is an amenable number.

18883056152 is a deficient number, since it is larger than the sum of its proper divisors (17110255048).

18883056152 is a wasteful number, since it uses less digits than its factorization.

18883056152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155027 (or 155023 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 18883056152 in words is "eighteen billion, eight hundred eighty-three million, fifty-six thousand, one hundred fifty-two".

Divisors: 1 2 4 8 101 151 202 302 404 604 808 1208 15251 30502 61004 122008 154769 309538 619076 1238152 15631669 23370119 31263338 46740238 62526676 93480476 125053352 186960952 2360382019 4720764038 9441528076 18883056152