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30994903519776 = 25327229300125237
BaseRepresentation
bin1110000110000100100000…
…01101101101001000100000
311001202002021010012011102100
413003002100031231020200
513030310030300113101
6145530510114250400
76346210413645300
oct703022015551040
9131662233164370
1030994903519776
11996a957001a19
12358702a586a00
13143aa64898801
147922389b9600
1538b3addcbe86
hex1c309036d220

30994903519776 has 432 divisors, whose sum is σ = 106107390993240. Its totient is φ = 8547130368000.

The previous prime is 30994903519729. The next prime is 30994903519807. The reversal of 30994903519776 is 67791530949903.

30994903519776 is a `hidden beast` number, since 3 + 0 + 99 + 490 + 35 + 19 + 7 + 7 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29559881610000 + 1435021909776 = 5436900^2 + 1197924^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1228140630 + ... + 1228165866.

Almost surely, 230994903519776 is an apocalyptic number.

30994903519776 is a gapful number since it is divisible by the number (36) 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 30994903519776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53053695496620).

30994903519776 is an abundant number, since it is smaller than the sum of its proper divisors (75112487473464).

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

30994903519776 is a wasteful number, since it uses less digits than its factorization.

30994903519776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28297 (or 28279 counting only the distinct ones).

The product of its (nonzero) digits is 347208120, while the sum is 72.

The spelling of 30994903519776 in words is "thirty trillion, nine hundred ninety-four billion, nine hundred three million, five hundred nineteen thousand, seven hundred seventy-six".