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255253075361 = 290278793643
BaseRepresentation
bin1110110110111001000…
…1001101010110100001
3220101212000200201210222
43231232101031112201
513140224241402421
6313132303132425
724304260225164
oct3555621152641
9811760621728
10255253075361
1199285785549
12415778a4115
131b0bb498bcb
14c4d634dadb
15698e0b0cab
hex3b6e44d5a1

255253075361 has 4 divisors (see below), whose sum is σ = 255261898032. Its totient is φ = 255244252692.

The previous prime is 255253075351. The next prime is 255253075367. The reversal of 255253075361 is 163570352552.

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 255253075361 - 222 = 255248881057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255253075367) 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, 4367795 + ... + 4425848.

It is an arithmetic number, because the mean of its divisors is an integer number (63815474508).

Almost surely, 2255253075361 is an apocalyptic number.

It is an amenable number.

255253075361 is a deficient number, since it is larger than the sum of its proper divisors (8822671).

255253075361 is an equidigital number, since it uses as much as digits as its factorization.

255253075361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822670.

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 255253075361 in words is "two hundred fifty-five billion, two hundred fifty-three million, seventy-five thousand, three hundred sixty-one".

Divisors: 1 29027 8793643 255253075361