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10868831372 = 227715467219
BaseRepresentation
bin10100001111101010…
…10011010010001100
31001001110121211201002
422013311103102030
5134224410100442
64554300435432
7533224354010
oct120765232214
931043554632
1010868831372
114678198973
122133b48b78
1310429bcc89
147516c8540
154392ce732
hex287d5348c

10868831372 has 24 divisors (see below), whose sum is σ = 22043831040. Its totient is φ = 4592463120.

The previous prime is 10868831333. The next prime is 10868831377. The reversal of 10868831372 is 27313886801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10868831377) 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, 2731622 + ... + 2735597.

It is an arithmetic number, because the mean of its divisors is an integer number (918492960).

Almost surely, 210868831372 is an apocalyptic number.

It is an amenable number.

10868831372 is an abundant number, since it is smaller than the sum of its proper divisors (11174999668).

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

10868831372 is a wasteful number, since it uses less digits than its factorization.

10868831372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467301 (or 5467299 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 10868831372 in words is "ten billion, eight hundred sixty-eight million, eight hundred thirty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 5467219 10934438 21868876 38270533 76541066 153082132 388172549 776345098 1552690196 2717207843 5434415686 10868831372