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60779506225 = 52493072
BaseRepresentation
bin111000100110101111…
…011010101000110001
312210212211100211021011
4320212233122220301
51443434023144400
643531031430521
74251113164414
oct704657325061
9183784324234
1060779506225
112385a4a0689
12b942b25441
1359680b5c89
142d28205b7b
1518aadcc8ba
hexe26bdaa31

60779506225 has 9 divisors (see below), whose sum is σ = 75368116267. Its totient is φ = 48622618840.

The previous prime is 60779506211. The next prime is 60779506231. The reversal of 60779506225 is 52260597706.

The square root of 60779506225 is 246535.

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., 21880622241 + 38898883984 = 147921^2 + 197228^2 .

It is not a de Polignac number, because 60779506225 - 29 = 60779505713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1208022 + ... + 1257328.

Almost surely, 260779506225 is an apocalyptic number.

60779506225 is the 246535-th square number.

60779506225 is the 123268-th centered octagonal number.

It is an amenable number.

60779506225 is a deficient number, since it is larger than the sum of its proper divisors (14588610042).

60779506225 is an frugal number, since it uses more digits than its factorization.

60779506225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98624 (or 49312 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

Multiplying 60779506225 by its sum of digits (49), we get a square (2978195805025 = 17257452).

The spelling of 60779506225 in words is "sixty billion, seven hundred seventy-nine million, five hundred six thousand, two hundred twenty-five".

Divisors: 1 5 25 49307 246535 1232675 2431180249 12155901245 60779506225