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105457425025 = 524218297001
BaseRepresentation
bin110001000110111000…
…0001001101010000001
3101002012111202020222111
41202031300021222001
53211434100100100
6120240234335321
710422222215431
oct1421560115201
9332174666874
10105457425025
11407a6a70317
121853158a541
139c38367814
145165b942c1
152b233e96ba
hex188dc09a81

105457425025 has 6 divisors (see below), whose sum is σ = 130767207062. Its totient is φ = 84365940000.

The previous prime is 105457425023. The next prime is 105457425043. The reversal of 105457425025 is 520524754501.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 84474481 + 105372950544 = 9191^2 + 324612^2 .

It is not a de Polignac number, because 105457425025 - 21 = 105457425023 is a prime.

It is a super-2 number, since 2×1054574250252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105457425023) 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, 2109148476 + ... + 2109148525.

Almost surely, 2105457425025 is an apocalyptic number.

It is an amenable number.

105457425025 is a deficient number, since it is larger than the sum of its proper divisors (25309782037).

105457425025 is an equidigital number, since it uses as much as digits as its factorization.

105457425025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218297011 (or 4218297006 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 105457425025 in words is "one hundred five billion, four hundred fifty-seven million, four hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 4218297001 21091485005 105457425025