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860530860437 = 53113143685233
BaseRepresentation
bin11001000010110111010…
…00101110000110010101
310001021011212122001100112
430201123220232012111
5103044331400013222
61455153350452405
7116112520424543
oct14413350560625
93037155561315
10860530860437
11301a49267096
1211a93a064105
13631bc6a5461
142d915524d93
15175b7456be2
hexc85ba2e195

860530860437 has 8 divisors (see below), whose sum is σ = 884526300504. Its totient is φ = 836822791168.

The previous prime is 860530860433. The next prime is 860530860473. The reversal of 860530860437 is 734068035068.

It can be written as a sum of positive squares in 4 ways, for example, as 12435372196 + 848095488241 = 111514^2 + 920921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 860530860437 - 22 = 860530860433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860530860433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71836628 + ... + 71848605.

It is an arithmetic number, because the mean of its divisors is an integer number (110565787563).

Almost surely, 2860530860437 is an apocalyptic number.

It is an amenable number.

860530860437 is a deficient number, since it is larger than the sum of its proper divisors (23995440067).

860530860437 is a wasteful number, since it uses less digits than its factorization.

860530860437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143685399.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 860530860437 in words is "eight hundred sixty billion, five hundred thirty million, eight hundred sixty thousand, four hundred thirty-seven".

Divisors: 1 53 113 5989 143685233 7615317349 16236431329 860530860437