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245334111291025 = 5231326292
BaseRepresentation
bin110111110010000101001100…
…100011100000011010010001
31012011122201020001000100110021
4313302011030203200122101
5224124023224442303100
62225440533530503441
7102450542661301201
oct6762051443403221
91164581201010407
10245334111291025
1171197680a81a89
1223623489594b81
13a6b7ba47cab73
14448233d076401
151d56a836c0a1a
hexdf214c8e0691

245334111291025 has 9 divisors (see below), whose sum is σ = 304214395112401. Its totient is φ = 196267226380240.

The previous prime is 245334111291013. The next prime is 245334111291037. The reversal of 245334111291025 is 520192111433542.

The square root of 245334111291025 is 15663145.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (245334111291013) and next prime (245334111291037).

It can be written as a sum of positive squares in 4 ways, for example, as 101983681097809 + 143350430193216 = 10098697^2 + 11972904^2 .

It is not a de Polignac number, because 245334111291025 - 223 = 245334102902417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76749411 + ... + 79882039.

Almost surely, 2245334111291025 is an apocalyptic number.

245334111291025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245334111291025 is the 15663145-th square number.

245334111291025 is the 7831573-rd centered octagonal number.

It is an amenable number.

245334111291025 is a deficient number, since it is larger than the sum of its proper divisors (58880283821376).

245334111291025 is an frugal number, since it uses more digits than its factorization.

245334111291025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265268 (or 3132634 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 245334111291025 in words is "two hundred forty-five trillion, three hundred thirty-four billion, one hundred eleven million, two hundred ninety-one thousand, twenty-five".

Divisors: 1 5 25 3132629 15663145 78315725 9813364451641 49066822258205 245334111291025