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10013231140 = 2251145514687
BaseRepresentation
bin10010101001101010…
…11100100000100100
3221211211122211211121
421110311130200210
5131001341344030
64333334143324
7503065026463
oct112465344044
927754584747
1010013231140
114279231840
121b354b1b44
13c37670953
146adc089da
153d912347a
hex254d5c824

10013231140 has 24 divisors (see below), whose sum is σ = 22939402752. Its totient is φ = 3641174880.

The previous prime is 10013231131. The next prime is 10013231141. The reversal of 10013231140 is 4113231001.

It is not an unprimeable number, because it can be changed into a prime (10013231141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22757124 + ... + 22757563.

It is an arithmetic number, because the mean of its divisors is an integer number (955808448).

Almost surely, 210013231140 is an apocalyptic number.

10013231140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013231140 is an abundant number, since it is smaller than the sum of its proper divisors (12926171612).

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

10013231140 is a wasteful number, since it uses less digits than its factorization.

10013231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45514707 (or 45514705 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10013231140 its reverse (4113231001), we get a palindrome (14126462141).

The spelling of 10013231140 in words is "ten billion, thirteen million, two hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 45514687 91029374 182058748 227573435 455146870 500661557 910293740 1001323114 2002646228 2503307785 5006615570 10013231140