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2580050250557 = 13198465403889
BaseRepresentation
bin100101100010110110111…
…110101000101100111101
3100010122120010201122000022
4211202312332220230331
5314232420331004212
65253131514541525
7354255023166203
oct45426676505475
910118503648008
102580050250557
1190521411734a
123580457378a5
131593b405c3c0
148cc373ad073
15471a6708772
hex258b6fa8b3d

2580050250557 has 4 divisors (see below), whose sum is σ = 2778515654460. Its totient is φ = 2381584846656.

The previous prime is 2580050250521. The next prime is 2580050250563. The reversal of 2580050250557 is 7550520500852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 640662571396 + 1939387679161 = 800414^2 + 1392619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580050250557 - 212 = 2580050246461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580050252557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99232701932 + ... + 99232701957.

It is an arithmetic number, because the mean of its divisors is an integer number (694628913615).

Almost surely, 22580050250557 is an apocalyptic number.

It is an amenable number.

2580050250557 is a deficient number, since it is larger than the sum of its proper divisors (198465403903).

2580050250557 is a wasteful number, since it uses less digits than its factorization.

2580050250557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198465403902.

The product of its (nonzero) digits is 700000, while the sum is 44.

The spelling of 2580050250557 in words is "two trillion, five hundred eighty billion, fifty million, two hundred fifty thousand, five hundred fifty-seven".

Divisors: 1 13 198465403889 2580050250557