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18052425132 = 22374113140013
BaseRepresentation
bin10000110100000000…
…100010010110101100
31201121002211012210020
4100310000202112230
5243432410101012
612143154042140
71206233040030
oct206400422654
951532735706
1018052425132
11772413a215
1235b9879350
131919057781
14c337961c0
15709cb1a8c
hex4340225ac

18052425132 has 96 divisors (see below), whose sum is σ = 49691625984. Its totient is φ = 4993497600.

The previous prime is 18052425049. The next prime is 18052425203. The reversal of 18052425132 is 23152425081.

It is a junction number, because it is equal to n+sod(n) for n = 18052425093 and 18052425102.

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, 431158 + ... + 471170.

It is an arithmetic number, because the mean of its divisors is an integer number (517621104).

Almost surely, 218052425132 is an apocalyptic number.

18052425132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18052425132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24845812992).

18052425132 is an abundant number, since it is smaller than the sum of its proper divisors (31639200852).

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

18052425132 is a wasteful number, since it uses less digits than its factorization.

18052425132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40199 (or 40197 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 18052425132 in words is "eighteen billion, fifty-two million, four hundred twenty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 41 42 82 84 123 131 164 246 262 287 393 492 524 574 786 861 917 1148 1572 1722 1834 2751 3444 3668 5371 5502 10742 11004 16113 21484 32226 37597 40013 64452 75194 80026 112791 120039 150388 160052 225582 240078 280091 451164 480156 560182 840273 1120364 1640533 1680546 3281066 3361092 4921599 5241703 6562132 9843198 10483406 11483731 15725109 19686396 20966812 22967462 31450218 34451193 36691921 45934924 62900436 68902386 73383842 110075763 137804772 146767684 214909823 220151526 429819646 440303052 644729469 859639292 1289458938 1504368761 2578917876 3008737522 4513106283 6017475044 9026212566 18052425132