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10323212140 = 225809638023
BaseRepresentation
bin10011001110100111…
…11011011101101100
3222122102221111211101
421213103323131230
5132120220242030
64424210132444
7513550566253
oct114723733554
928572844741
1010323212140
11441820308a
122001281124
13c86954767
146dd05979a
154064547ca
hex2674fb76c

10323212140 has 24 divisors (see below), whose sum is σ = 21705576480. Its totient is φ = 4124174208.

The previous prime is 10323212087. The next prime is 10323212167. The reversal of 10323212140 is 4121232301.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302832 + ... + 335191.

It is an arithmetic number, because the mean of its divisors is an integer number (904399020).

Almost surely, 210323212140 is an apocalyptic number.

10323212140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10323212140 is an abundant number, since it is smaller than the sum of its proper divisors (11382364340).

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

10323212140 is a wasteful number, since it uses less digits than its factorization.

10323212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638841 (or 638839 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10323212140 its reverse (4121232301), we get a palindrome (14444444441).

The spelling of 10323212140 in words is "ten billion, three hundred twenty-three million, two hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 809 1618 3236 4045 8090 16180 638023 1276046 2552092 3190115 6380230 12760460 516160607 1032321214 2064642428 2580803035 5161606070 10323212140