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2525231044242 = 232140290613569
BaseRepresentation
bin100100101111110011011…
…111111101011010010010
322221102001200201102010200
4210233303133331122102
5312333133121403432
65212024121040030
7350304402501234
oct44576337753222
98842050642120
102525231044242
11893a43101265
123494a6926016
13154188a5200a
148a316a00254
1545a48c20a7c
hex24bf37fd692

2525231044242 has 12 divisors (see below), whose sum is σ = 5471333929230. Its totient is φ = 841743681408.

The previous prime is 2525231044229. The next prime is 2525231044243. The reversal of 2525231044242 is 2424401325252.

2525231044242 is a `hidden beast` number, since 2 + 5 + 2 + 523 + 104 + 4 + 24 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2183156957601 + 342074086641 = 1477551^2 + 584871^2 .

It is a super-2 number, since 2×25252310442422 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2525231044197 and 2525231044206.

It is not an unprimeable number, because it can be changed into a prime (2525231044243) 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, 70145306767 + ... + 70145306802.

Almost surely, 22525231044242 is an apocalyptic number.

2525231044242 is an abundant number, since it is smaller than the sum of its proper divisors (2946102884988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525231044242 is a wasteful number, since it uses less digits than its factorization.

2525231044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140290613577 (or 140290613574 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 2525231044242 its reverse (2424401325252), we get a palindrome (4949632369494).

The spelling of 2525231044242 in words is "two trillion, five hundred twenty-five billion, two hundred thirty-one million, forty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 140290613569 280581227138 420871840707 841743681414 1262615522121 2525231044242