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30855475200 = 2123521123397
BaseRepresentation
bin11100101111001000…
…010011000000000000
32221122101000112201210
4130233020103000000
51001143000201300
622101431530120
72141425132434
oct345710230000
987571015653
1030855475200
11120a4125230
125b91529940
132ba969c544
1416c9cd49c4
15c08cad050
hex72f213000

30855475200 has 624 divisors, whose sum is σ = 116421762816. Its totient is φ = 7136870400.

The previous prime is 30855475199. The next prime is 30855475229. The reversal of 30855475200 is 257455803.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77721402 + ... + 77721798.

Almost surely, 230855475200 is an apocalyptic number.

30855475200 is a gapful number since it is divisible by the number (30) 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 30855475200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58210881408).

30855475200 is an abundant number, since it is smaller than the sum of its proper divisors (85566287616).

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

30855475200 is a wasteful number, since it uses less digits than its factorization.

30855475200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 30855475200 in words is "thirty billion, eight hundred fifty-five million, four hundred seventy-five thousand, two hundred".