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13497371394 = 23134316932377
BaseRepresentation
bin11001001001000000…
…11000101100000010
31021211122200111202020
430210200120230002
5210120311341034
610111155302310
7655322523003
oct144440305402
937748614666
1013497371394
1157a6a069a1
1227482aa996
1313714464c0
149208391aa
1553ee4b249
hex324818b02

13497371394 has 64 divisors (see below), whose sum is σ = 29777430144. Its totient is φ = 4052353536.

The previous prime is 13497371347. The next prime is 13497371399. The reversal of 13497371394 is 49317379431.

It is not an unprimeable number, because it can be changed into a prime (13497371399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5677134 + ... + 5679510.

It is an arithmetic number, because the mean of its divisors is an integer number (465272346).

Almost surely, 213497371394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13497371394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14888715072).

13497371394 is an abundant number, since it is smaller than the sum of its proper divisors (16280058750).

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

13497371394 is a wasteful number, since it uses less digits than its factorization.

13497371394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131.

The product of its digits is 1714608, while the sum is 51.

The spelling of 13497371394 in words is "thirteen billion, four hundred ninety-seven million, three hundred seventy-one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 1693 2377 3354 3386 4754 5079 7131 10158 14262 22009 30901 44018 61802 66027 72799 92703 102211 132054 145598 185406 204422 218397 306633 436794 613266 946387 1328743 1892774 2657486 2839161 3986229 4024261 5678322 7972458 8048522 12072783 24145566 52315393 104630786 156946179 173043223 313892358 346086446 519129669 1038259338 2249561899 4499123798 6748685697 13497371394