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10660656650 = 25271729311993
BaseRepresentation
bin10011110110110110…
…01011011000001010
31000111221220110200012
421323123023120022
5133313112003100
64521502511522
7525116041430
oct117333133012
930457813605
1010660656650
114580732146
1220962955a2
13100b832b77
14731bb8d50
15425dad135
hex27b6cb60a

10660656650 has 192 divisors, whose sum is σ = 25635502080. Its totient is φ = 3212697600.

The previous prime is 10660656649. The next prime is 10660656683. The reversal of 10660656650 is 5665606601.

It is a super-2 number, since 2×106606566502 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10660656598 and 10660656607.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5348054 + ... + 5350046.

It is an arithmetic number, because the mean of its divisors is an integer number (133518240).

Almost surely, 210660656650 is an apocalyptic number.

10660656650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10660656650 is an abundant number, since it is smaller than the sum of its proper divisors (14974845430).

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

10660656650 is a wasteful number, since it uses less digits than its factorization.

10660656650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 10660656650 in words is "ten billion, six hundred sixty million, six hundred fifty-six thousand, six hundred fifty".