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10850633640 = 23345711233161
BaseRepresentation
bin10100001101011111…
…11000011110101000
31001000012101022010000
422012233320132220
5134210230234030
64552410423000
7532613602260
oct120657703650
931005338100
1010850633640
114668999720
122129a31a60
13103bcbaca2
1474d10c7a0
154378d7860
hex286bf87a8

10850633640 has 1280 divisors, whose sum is σ = 49779671040. Its totient is φ = 2052864000.

The previous prime is 10850633627. The next prime is 10850633657. The reversal of 10850633640 is 4633605801.

10850633640 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 0 + 6 + 3 + 3 + 640 = 666.

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 = 10850633595 and 10850633604.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 177879210 + ... + 177879270.

It is an arithmetic number, because the mean of its divisors is an integer number (38890368).

Almost surely, 210850633640 is an apocalyptic number.

10850633640 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 10850633640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24889835520).

10850633640 is an abundant number, since it is smaller than the sum of its proper divisors (38929037400).

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

10850633640 is a wasteful number, since it uses less digits than its factorization.

10850633640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 10850633640 in words is "ten billion, eight hundred fifty million, six hundred thirty-three thousand, six hundred forty".