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30621434088960 = 2934511132359761
BaseRepresentation
bin1101111011001100110111…
…01100111000111000000000
311000102101021101120100110000
412331212123230320320000
513003200144111321320
6145043143112240000
76310216453112421
oct675463354707000
9130371241510400
1030621434088960
119836528275960
1235267803a0000
1314117868ca020
1477c12a17d648
1538180173cc90
hex1bd99bb38e00

30621434088960 has 3200 divisors, whose sum is σ = 136911207121920. Its totient is φ = 6434861875200.

The previous prime is 30621434088943. The next prime is 30621434088997. The reversal of 30621434088960 is 6988043412603.

30621434088960 is a `hidden beast` number, since 3 + 0 + 6 + 2 + 143 + 408 + 8 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 30621434088897 and 30621434088906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 40238414980 + ... + 40238415740.

Almost surely, 230621434088960 is an apocalyptic number.

30621434088960 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 30621434088960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68455603560960).

30621434088960 is an abundant number, since it is smaller than the sum of its proper divisors (106289773032960).

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

30621434088960 is a wasteful number, since it uses less digits than its factorization.

30621434088960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 30621434088960 in words is "thirty trillion, six hundred twenty-one billion, four hundred thirty-four million, eighty-eight thousand, nine hundred sixty".