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13491002322 = 2327239112
BaseRepresentation
bin11001001000010000…
…00101101111010010
31021211012200221000200
430210020011233102
5210112144033242
610110411000030
7655214425200
oct144410055722
937735627020
1013491002322
1157a33567a6
122746139016
131370026515
1491da5c070
1553e5de04c
hex324205bd2

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".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 3911 7822 11733 23466 27377 35199 54754 70398 82131 164262 191639 246393 383278 492786 574917 1149834 1724751 3449502 15295921 30591842 45887763 91775526 107071447 137663289 214142894 275326578 321214341 642428682 749500129 963643023 1499000258 1927286046 2248500387 4497000774 6745501161 13491002322