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18830888046 = 2335923325367
BaseRepresentation
bin10001100010011010…
…001000110001101110
31210121100122020011000
4101202122020301232
5302031201404141
612352323141130
71234434623145
oct214232106156
953540566130
1018830888046
117a935aa9a3
1237965147a6
131a11409709
14ca8d1675c
157532d25b6
hex462688c6e

18830888046 has 64 divisors (see below), whose sum is σ = 42740006400. Its totient is φ = 6143848128.

The previous prime is 18830888039. The next prime is 18830888059. The reversal of 18830888046 is 64088803881.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 18830887983 and 18830888001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729655 + ... + 755021.

It is an arithmetic number, because the mean of its divisors is an integer number (667812600).

Almost surely, 218830888046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18830888046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21370003200).

18830888046 is an abundant number, since it is smaller than the sum of its proper divisors (23909118354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18830888046 is a wasteful number, since it uses less digits than its factorization.

18830888046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25670 (or 25664 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 54.

The spelling of 18830888046 in words is "eighteen billion, eight hundred thirty million, eight hundred eighty-eight thousand, forty-six".

Divisors: 1 2 3 6 9 18 27 54 59 118 177 233 354 466 531 699 1062 1398 1593 2097 3186 4194 6291 12582 13747 25367 27494 41241 50734 76101 82482 123723 152202 228303 247446 371169 456606 684909 742338 1369818 1496653 2993306 4489959 5910511 8979918 11821022 13469877 17731533 26939754 35463066 40409631 53194599 80819262 106389198 159583797 319167594 348720149 697440298 1046160447 2092320894 3138481341 6276962682 9415444023 18830888046