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97239305465 = 5172220730491
BaseRepresentation
bin101101010001111101…
…0100000110011111001
3100021222202220112021222
41122203322200303321
53043121230233330
6112400543441425
710011452313251
oct1324372406371
9307882815258
1097239305465
113826a064475
1216a192b6275
139228894b93
1449c654c961
1527e1bb60e5
hex16a3ea0cf9

97239305465 has 24 divisors (see below), whose sum is σ = 124015110912. Its totient is φ = 73179902720.

The previous prime is 97239305461. The next prime is 97239305503. The reversal of 97239305465 is 56450393279.

It is not a de Polignac number, because 97239305465 - 22 = 97239305461 is a prime.

It is a super-3 number, since 3×972393054653 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97239305461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3173870 + ... + 3204360.

It is an arithmetic number, because the mean of its divisors is an integer number (5167296288).

Almost surely, 297239305465 is an apocalyptic number.

It is an amenable number.

97239305465 is a deficient number, since it is larger than the sum of its proper divisors (26775805447).

97239305465 is a wasteful number, since it uses less digits than its factorization.

97239305465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32737 (or 32720 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 97239305465 in words is "ninety-seven billion, two hundred thirty-nine million, three hundred five thousand, four hundred sixty-five".

Divisors: 1 5 17 85 289 1445 2207 11035 30491 37519 152455 187595 518347 637823 2591735 3189115 8811899 44059495 67293637 336468185 1143991829 5719959145 19447861093 97239305465