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83307768613888 = 21071323173224683
BaseRepresentation
bin10010111100010010011001…
…111101001000110000000000
3101220222010220122001210122111
4102330102121331020300000
541404403302231121023
6453103021025345104
723355534111332140
oct2274223175106000
9356863818053574
1083307768613888
11245a969860a775
12941572b198194
133763b72b0a970
141680190664920
1599705d87d00d
hex4bc499f48c00

83307768613888 has 352 divisors, whose sum is σ = 215113913957376. Its totient is φ = 31341650706432.

The previous prime is 83307768613829. The next prime is 83307768613931. The reversal of 83307768613888 is 88831686770338.

83307768613888 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×833077686138882 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370666795 + ... + 370891477.

Almost surely, 283307768613888 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 83307768613888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107556956978688).

83307768613888 is an abundant number, since it is smaller than the sum of its proper divisors (131806145343488).

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

83307768613888 is a wasteful number, since it uses less digits than its factorization.

83307768613888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224919 (or 224901 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 76.

The spelling of 83307768613888 in words is "eighty-three trillion, three hundred seven billion, seven hundred sixty-eight million, six hundred thirteen thousand, eight hundred eighty-eight".