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10200031395840 = 21532511132612
BaseRepresentation
bin1001010001101110000100…
…1111111000000000000000
31100010010001201121000022200
42110123201033320000000
52314104131014131330
633405455120033200
72101633200222336
oct224334117700000
940103051530280
1010200031395840
1132828998993a0
121188a01a62800
1358cb21b1ab00
14273981463b56
1512a4d6019a60
hex946e13f8000

10200031395840 has 1728 divisors, whose sum is σ = 42465533399640. Its totient is φ = 2245106073600.

The previous prime is 10200031395833. The next prime is 10200031395941. The reversal of 10200031395840 is 4859313000201.

10200031395840 is a `hidden beast` number, since 10 + 2 + 0 + 0 + 0 + 31 + 39 + 584 + 0 = 666.

It is a super-2 number, since 2×102000313958402 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10200031395795 and 10200031395804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 167213629410 + ... + 167213629470.

Almost surely, 210200031395840 is an apocalyptic number.

10200031395840 is a gapful number since it is divisible by the number (10) 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 10200031395840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21232766699820).

10200031395840 is an abundant number, since it is smaller than the sum of its proper divisors (32265502003800).

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

10200031395840 is an equidigital number, since it uses as much as digits as its factorization.

10200031395840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 10200031395840 in words is "ten trillion, two hundred billion, thirty-one million, three hundred ninety-five thousand, eight hundred forty".