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2580903297361 = 293254832
BaseRepresentation
bin100101100011101001110…
…100110000000101010001
3100010201202120212220020101
4211203221310300011101
5314241142221003421
65253352310412401
7354315122030134
oct45435164600521
910121676786211
102580903297361
1190561169a004
12358243361101
131594bb9c641c
148ccb87c621b
154720655d191
hex258e9d30151

2580903297361 has 9 divisors (see below), whose sum is σ = 2590214312539. Its totient is φ = 2571625650136.

The previous prime is 2580903297359. The next prime is 2580903297373. The reversal of 2580903297361 is 1637923090852.

The square root of 2580903297361 is 1606519.

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., 2441890649025 + 139012648336 = 1562655^2 + 372844^2 .

It is not a de Polignac number, because 2580903297361 - 21 = 2580903297359 is a prime.

It is a super-2 number, since 2×25809032973612 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2580903297961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 470707326 + ... + 470712808.

Almost surely, 22580903297361 is an apocalyptic number.

2580903297361 is the 1606519-th square number.

2580903297361 is the 803260-th centered octagonal number.

It is an amenable number.

2580903297361 is a deficient number, since it is larger than the sum of its proper divisors (9311015178).

2580903297361 is an frugal number, since it uses more digits than its factorization.

2580903297361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 2580903297361 in words is "two trillion, five hundred eighty billion, nine hundred three million, two hundred ninety-seven thousand, three hundred sixty-one".

Divisors: 1 293 5483 85849 1606519 30063289 470710067 8808543677 2580903297361