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10122331490 = 251012233149
BaseRepresentation
bin10010110110101011…
…01000010101100010
3222010102221201101022
421123111220111202
5131212304101430
64352232405442
7505561253345
oct113325502542
928112851338
1010122331490
114324879517
121b65b46882
13c5414c67b
146c04c845c
153e39c44e5
hex25b568562

10122331490 has 8 divisors (see below), whose sum is σ = 18220196700. Its totient is φ = 4048932592.

The previous prime is 10122331381. The next prime is 10122331517. The reversal of 10122331490 is 9413322101.

It can be written as a sum of positive squares in 2 ways, for example, as 9911994481 + 210337009 = 99559^2 + 14503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506116565 + ... + 506116584.

Almost surely, 210122331490 is an apocalyptic number.

10122331490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10122331490 is a deficient number, since it is larger than the sum of its proper divisors (8097865210).

10122331490 is a wasteful number, since it uses less digits than its factorization.

10122331490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012233156.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 10122331490 its reverse (9413322101), we get a palindrome (19535653591).

The spelling of 10122331490 in words is "ten billion, one hundred twenty-two million, three hundred thirty-one thousand, four hundred ninety".

Divisors: 1 2 5 10 1012233149 2024466298 5061165745 10122331490