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716681807201 = 372523507529
BaseRepresentation
bin10100110110111011001…
…00001000010101100001
32112111212210021000012002
422123131210020111201
543220231020312301
61305123350213345
7102531020563643
oct12333544102541
92474783230162
10716681807201
11256a41218318
12b6a93354255
1352776562889
142698aa36893
151399887a16b
hexa6dd908561

716681807201 has 6 divisors (see below), whose sum is σ = 736575094710. Its totient is φ = 697312027296.

The previous prime is 716681807173. The next prime is 716681807207. The reversal of 716681807201 is 102708186617.

It can be written as a sum of positive squares in 3 ways, for example, as 487622890000 + 229058917201 = 698300^2 + 478601^2 .

It is not a de Polignac number, because 716681807201 - 218 = 716681545057 is a prime.

It is a super-3 number, since 3×7166818072013 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716681807207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261752396 + ... + 261755133.

It is an arithmetic number, because the mean of its divisors is an integer number (122762515785).

Almost surely, 2716681807201 is an apocalyptic number.

It is an amenable number.

716681807201 is a deficient number, since it is larger than the sum of its proper divisors (19893287509).

716681807201 is an equidigital number, since it uses as much as digits as its factorization.

716681807201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523507603 (or 523507566 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 716681807201 in words is "seven hundred sixteen billion, six hundred eighty-one million, eight hundred seven thousand, two hundred one".

Divisors: 1 37 1369 523507529 19369778573 716681807201