Search a number
-
+
6928976967025 = 525264592
BaseRepresentation
bin110010011010100011100…
…1101011111010101110001
3220112101220022121002002111
41210311013031133111301
51402011021100421100
622423043355245321
71313413336306141
oct144650715372561
926471808532074
106928976967025
112231620950483
1293aa70449841
133b352726b029
1419d5157d8921
15c038a3ac6ba
hex64d4735f571

6928976967025 has 9 divisors (see below), whose sum is σ = 8591947759371. Its totient is φ = 5543171044440.

The previous prime is 6928976966999. The next prime is 6928976967041. The reversal of 6928976967025 is 5207696798296.

The square root of 6928976967025 is 2632295.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2494431708129 + 4434545258896 = 1579377^2 + 2105836^2 .

It is not a de Polignac number, because 6928976967025 - 25 = 6928976966993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12898246 + ... + 13424704.

Almost surely, 26928976967025 is an apocalyptic number.

6928976967025 is the 2632295-th square number.

6928976967025 is the 1316148-th centered octagonal number.

It is an amenable number.

6928976967025 is a deficient number, since it is larger than the sum of its proper divisors (1662970792346).

6928976967025 is an frugal number, since it uses more digits than its factorization.

6928976967025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052928 (or 526464 counting only the distinct ones).

The product of its (nonzero) digits is 1234517760, while the sum is 76.

The spelling of 6928976967025 in words is "six trillion, nine hundred twenty-eight billion, nine hundred seventy-six million, nine hundred sixty-seven thousand, twenty-five".

Divisors: 1 5 25 526459 2632295 13161475 277159078681 1385795393405 6928976967025