Search a number
-
+
18300929120 = 255209954493
BaseRepresentation
bin10001000010110100…
…100000010001100000
31202020102102112011122
4101002310200101200
5244440014212440
612223552231412
71215341221325
oct210264402140
952212375148
1018300929120
117841440a11
123668b3b568
131958695256
14c587a2b4c
157219ec7b5
hex442d20460

18300929120 has 48 divisors (see below), whose sum is σ = 43257337200. Its totient is φ = 7316749824.

The previous prime is 18300929099. The next prime is 18300929173. The reversal of 18300929120 is 2192900381.

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, 308594 + ... + 363086.

It is an arithmetic number, because the mean of its divisors is an integer number (901194525).

Almost surely, 218300929120 is an apocalyptic number.

18300929120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18300929120 is an abundant number, since it is smaller than the sum of its proper divisors (24956408080).

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

18300929120 is a wasteful number, since it uses less digits than its factorization.

18300929120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56607 (or 56599 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 18300929120 in words is "eighteen billion, three hundred million, nine hundred twenty-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2099 4198 8396 10495 16792 20990 33584 41980 54493 67168 83960 108986 167920 217972 272465 335840 435944 544930 871888 1089860 1743776 2179720 4359440 8718880 114380807 228761614 457523228 571904035 915046456 1143808070 1830092912 2287616140 3660185824 4575232280 9150464560 18300929120