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299980767025 = 521095412
BaseRepresentation
bin1000101110110000011…
…11110011111100110001
31001200022011201220001201
410113120033303330301
514403330034021100
6345450444531201
730446542306462
oct4273017637461
91050264656051
10299980767025
11106248360285
124a17ab50b01
1322398b56654
141073a776d69
157c0ab6036a
hex45d83f3f31

299980767025 has 9 divisors (see below), whose sum is σ = 371979546913. Its totient is φ = 239982422800.

The previous prime is 299980767011. The next prime is 299980767077. The reversal of 299980767025 is 520767089992.

The square root of 299980767025 is 547705.

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

It can be written as a sum of positive squares in 4 ways, for example, as 89938210609 + 210042556416 = 299897^2 + 458304^2 .

It is not a de Polignac number, because 299980767025 - 217 = 299980635953 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, 2683755 + ... + 2793295.

Almost surely, 2299980767025 is an apocalyptic number.

299980767025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

299980767025 is the 547705-th square number.

299980767025 is the 273853-rd centered octagonal number.

It is an amenable number.

299980767025 is a deficient number, since it is larger than the sum of its proper divisors (71998779888).

299980767025 is an frugal number, since it uses more digits than its factorization.

299980767025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219092 (or 109546 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 64.

Multiplying 299980767025 by its sum of digits (64), we get a square (19198769089600 = 43816402).

The spelling of 299980767025 in words is "two hundred ninety-nine billion, nine hundred eighty million, seven hundred sixty-seven thousand, twenty-five".

Divisors: 1 5 25 109541 547705 2738525 11999230681 59996153405 299980767025