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10205431025086 = 211264319655657
BaseRepresentation
bin1001010010000010001100…
…0101110100110110111110
31100010122000000221121011001
42110200203011310312332
52314201210320300321
633412151004520514
72102214044265553
oct224404305646676
940118000847131
1010205431025086
11328510a838800
121189a6a25013a
135904a26bb2bb
14273d34630a2a
1512a7000aec91
hex94823174dbe

10205431025086 has 24 divisors (see below), whose sum is σ = 16826597101440. Its totient is φ = 4638753086880.

The previous prime is 10205431024949. The next prime is 10205431025123. The reversal of 10205431025086 is 68052013450201.

It is a super-2 number, since 2×102054310250862 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15237370 + ... + 15893026.

It is an arithmetic number, because the mean of its divisors is an integer number (701108212560).

Almost surely, 210205431025086 is an apocalyptic number.

10205431025086 is a deficient number, since it is larger than the sum of its proper divisors (6621166076354).

10205431025086 is a wasteful number, since it uses less digits than its factorization.

10205431025086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720000 (or 719989 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 10205431025086 its reverse (68052013450201), we get a palindrome (78257444475287).

The spelling of 10205431025086 in words is "ten trillion, two hundred five billion, four hundred thirty-one million, twenty-five thousand, eighty-six".

Divisors: 1 2 11 22 121 242 64319 128638 655657 707509 1311314 1415018 7212227 7782599 14424454 15565198 79334497 158668994 42171202583 84342405166 463883228413 927766456826 5102715512543 10205431025086