Search a number
-
+
705493290561 = 31913989043707
BaseRepresentation
bin10100100010000101010…
…11010100111001000001
32111110000001002110201220
422101002223110321001
543024322240244221
61300033225345253
7101653532011623
oct12210253247101
92443001073656
10705493290561
1125221a630154
12b4890338229
13516b2571a27
1426208ad2c13
151354149e0c6
hexa442ad4e41

705493290561 has 16 divisors (see below), whose sum is σ = 997289529600. Its totient is φ = 442369131408.

The previous prime is 705493290517. The next prime is 705493290577. The reversal of 705493290561 is 165092394507.

It is not a de Polignac number, because 705493290561 - 210 = 705493289537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (705493290581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44513931 + ... + 44529776.

It is an arithmetic number, because the mean of its divisors is an integer number (62330595600).

Almost surely, 2705493290561 is an apocalyptic number.

It is an amenable number.

705493290561 is a deficient number, since it is larger than the sum of its proper divisors (291796239039).

705493290561 is a wasteful number, since it uses less digits than its factorization.

705493290561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89043868.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 705493290561 in words is "seven hundred five billion, four hundred ninety-three million, two hundred ninety thousand, five hundred sixty-one".

Divisors: 1 3 19 57 139 417 2641 7923 89043707 267131121 1691830433 5075491299 12377075273 37131225819 235164430187 705493290561