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25275050052553 = 73610721436079
BaseRepresentation
bin1011011111100110011100…
…11000010100101111001001
310022111021022200210000012101
411233303032120110233021
511303101300303140203
6125431110411513401
75216030205452020
oct557631630245711
9108437280700171
1025275050052553
1180650a7921014
122a02583158861
131114572146692
146354672ab8b7
152dc6de67e41d
hex16fcce614bc9

25275050052553 has 4 divisors (see below), whose sum is σ = 28885771488640. Its totient is φ = 21664328616468.

The previous prime is 25275050052521. The next prime is 25275050052611. The reversal of 25275050052553 is 35525005057252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25275050052553 - 25 = 25275050052521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275050152553) 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, 1805360718033 + ... + 1805360718046.

It is an arithmetic number, because the mean of its divisors is an integer number (7221442872160).

Almost surely, 225275050052553 is an apocalyptic number.

It is an amenable number.

25275050052553 is a deficient number, since it is larger than the sum of its proper divisors (3610721436087).

25275050052553 is an equidigital number, since it uses as much as digits as its factorization.

25275050052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610721436086.

The product of its (nonzero) digits is 2625000, while the sum is 46.

The spelling of 25275050052553 in words is "twenty-five trillion, two hundred seventy-five billion, fifty million, fifty-two thousand, five hundred fifty-three".

Divisors: 1 7 3610721436079 25275050052553