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30111112900 = 225211227312043
BaseRepresentation
bin11100000010110000…
…110001111011000100
32212201111101000121201
4130002300301323010
5443131421103100
621455521352244
72114116144111
oct340260617304
985644330551
1030111112900
1111851a35880
125a04198684
132abb3c9b8b
1416590cd908
15bb377636a
hex702c31ec4

30111112900 has 72 divisors (see below), whose sum is σ = 71318497824. Its totient is φ = 10943769600.

The previous prime is 30111112841. The next prime is 30111113003. The reversal of 30111112900 is 921111103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2494279 + ... + 2506321.

It is an arithmetic number, because the mean of its divisors is an integer number (990534692).

Almost surely, 230111112900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30111112900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35659248912).

30111112900 is an abundant number, since it is smaller than the sum of its proper divisors (41207384924).

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

30111112900 is a wasteful number, since it uses less digits than its factorization.

30111112900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341 (or 14334 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 30111112900 in words is "thirty billion, one hundred eleven million, one hundred twelve thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 2273 4546 9092 11365 12043 22730 24086 25003 45460 48172 50006 56825 60215 100012 113650 120430 125015 132473 227300 240860 250030 264946 301075 500060 529892 602150 625075 662365 1204300 1250150 1324730 2500300 2649460 3311825 6623650 13247300 27373739 54747478 109494956 136868695 273737390 301111129 547474780 602222258 684343475 1204444516 1368686950 1505555645 2737373900 3011111290 6022222580 7527778225 15055556450 30111112900