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10290086456 = 23131031138501
BaseRepresentation
bin10011001010101011…
…00100001000111000
3222120010121112221012
421211111210020320
5132033230231311
64421024133052
7512666202026
oct114525441070
928503545835
1010290086456
114400538291
121bb2167188
13c7cb26b70
146d88b5716
154035ae78b
hex265564238

10290086456 has 64 divisors (see below), whose sum is σ = 21167939520. Its totient is φ = 4660992000.

The previous prime is 10290086441. The next prime is 10290086459. The reversal of 10290086456 is 65468009201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10290086459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206206 + ... + 1214706.

It is an arithmetic number, because the mean of its divisors is an integer number (330749055).

Almost surely, 210290086456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10290086456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10583969760).

10290086456 is an abundant number, since it is smaller than the sum of its proper divisors (10877853064).

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

10290086456 is a wasteful number, since it uses less digits than its factorization.

10290086456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736 (or 8732 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 10290086456 in words is "ten billion, two hundred ninety million, eighty-six thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 103 104 113 206 226 412 452 824 904 1339 1469 2678 2938 5356 5876 8501 10712 11639 11752 17002 23278 34004 46556 68008 93112 110513 151307 221026 302614 442052 605228 875603 884104 960613 1210456 1751206 1921226 3502412 3842452 7004824 7684904 11382839 12487969 22765678 24975938 45531356 49951876 91062712 98943139 99903752 197886278 395772556 791545112 1286260807 2572521614 5145043228 10290086456