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30884990639616 = 29389194063
BaseRepresentation
bin1110000010110111110001…
…11001010101111000000000
311001100120120002201100000000
413001123320321111320000
513022004430100431431
6145404211400000000
76335236600613451
oct701337071257000
9131316502640000
1030884990639616
119928284056283
123569874a60000
131430599452909
1478abad1d3128
153885c97929e6
hex1c16f8e55e00

30884990639616 has 180 divisors, whose sum is σ = 92559795851952. Its totient is φ = 10294995760128.

The previous prime is 30884990639579. The next prime is 30884990639627. The reversal of 30884990639616 is 61693609948803.

30884990639616 is a `hidden beast` number, since 30 + 8 + 8 + 499 + 0 + 6 + 3 + 96 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1237800 + ... + 7956263.

Almost surely, 230884990639616 is an apocalyptic number.

30884990639616 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 30884990639616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46279897925976).

30884990639616 is an abundant number, since it is smaller than the sum of its proper divisors (61674805212336).

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

30884990639616 is an frugal number, since it uses more digits than its factorization.

30884990639616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194105 (or 9194068 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 72.

The spelling of 30884990639616 in words is "thirty trillion, eight hundred eighty-four billion, nine hundred ninety million, six hundred thirty-nine thousand, six hundred sixteen".