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253552442641 = 283993190217
BaseRepresentation
bin1110110000100011100…
…1110011110100010001
3220020110111122122021221
43230020321303310101
513123233411131031
6312251432445041
724214160126251
oct3541071636421
9806414578257
10253552442641
119859281aa63
1241182249781
131abaa05a664
14c3b4541961
1568deb34a11
hex3b08e73d11

253552442641 has 8 divisors (see below), whose sum is σ = 254476829984. Its totient is φ = 252628256160.

The previous prime is 253552442609. The next prime is 253552442659. The reversal of 253552442641 is 146244255352.

253552442641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253552442641 - 25 = 253552442609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253552442441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765365 + ... + 2855581.

It is an arithmetic number, because the mean of its divisors is an integer number (31809603748).

Almost surely, 2253552442641 is an apocalyptic number.

It is an amenable number.

253552442641 is a deficient number, since it is larger than the sum of its proper divisors (924387343).

253552442641 is an equidigital number, since it uses as much as digits as its factorization.

253552442641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100431.

The product of its digits is 1152000, while the sum is 43.

Adding to 253552442641 its reverse (146244255352), we get a palindrome (399796697993).

The spelling of 253552442641 in words is "two hundred fifty-three billion, five hundred fifty-two million, four hundred forty-two thousand, six hundred forty-one".

Divisors: 1 283 9931 90217 2810473 25531411 895945027 253552442641