Base | Representation |
---|---|
bin | 11001001000010000… |
… | …00101101111010010 |
3 | 1021211012200221000200 |
4 | 30210020011233102 |
5 | 210112144033242 |
6 | 10110411000030 |
7 | 655214425200 |
oct | 144410055722 |
9 | 37735627020 |
10 | 13491002322 |
11 | 57a33567a6 |
12 | 2746139016 |
13 | 1370026515 |
14 | 91da5c070 |
15 | 53e5de04c |
hex | 324205bd2 |
13491002322 has 54 divisors (see below), whose sum is σ = 34011528759. Its totient is φ = 3853586520.
The previous prime is 13491002309. The next prime is 13491002347. The reversal of 13491002322 is 22320019431.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 6745501161 + 6745501161 = 82131^2 + 82131^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=82131.
It is a super-3 number, since 3×134910023223 (a number of 31 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3447547 + ... + 3451457.
Almost surely, 213491002322 is an apocalyptic number.
13491002322 is an abundant number, since it is smaller than the sum of its proper divisors (20520526437).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13491002322 is an frugal number, since it uses more digits than its factorization.
13491002322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7844 (or 3923 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Multiplying 13491002322 by its product of nonzero digits (2592), we get a square (34968678018624 = 59134322).
The spelling of 13491002322 in words is "thirteen billion, four hundred ninety-one million, two thousand, three hundred twenty-two".
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