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125315445041225 = 5220536029404977
BaseRepresentation
bin11100011111100101000110…
…100101100010100001001001
3121102201001001211101120120122
4130133211012211202201021
5112411132012412304400
61122305042023233025
735252512356435455
oct3437450645424111
9542631054346518
10125315445041225
1136a24a8883904a
121207ab80ba8775
1354c027111a48a
1422d342ad09665
15e74b20459685
hex71f946962849

125315445041225 has 24 divisors (see below), whose sum is σ = 155493012107160. Its totient is φ = 100186656261120.

The previous prime is 125315445041219. The next prime is 125315445041243. The reversal of 125315445041225 is 522140544513521.

It can be written as a sum of positive squares in 12 ways, for example, as 7680835330624 + 117634609710601 = 2771432^2 + 10845949^2 .

It is not a de Polignac number, because 125315445041225 - 212 = 125315445037129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309235937 + ... + 309640913.

It is an arithmetic number, because the mean of its divisors is an integer number (6478875504465).

Almost surely, 2125315445041225 is an apocalyptic number.

It is an amenable number.

125315445041225 is a deficient number, since it is larger than the sum of its proper divisors (30177567065935).

125315445041225 is a wasteful number, since it uses less digits than its factorization.

125315445041225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413069 (or 413064 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 125315445041225 its reverse (522140544513521), we get a palindrome (647455989554746).

The spelling of 125315445041225 in words is "one hundred twenty-five trillion, three hundred fifteen billion, four hundred forty-five million, forty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 2053 6029 10265 30145 51325 150725 404977 2024885 10124425 12377537 61887685 309438425 831417781 2441606333 4157088905 12208031665 20785444525 61040158325 5012617801649 25063089008245 125315445041225