Search a number
-
+
255143341551 = 3712149682931
BaseRepresentation
bin1110110110011110111…
…0100110110111101111
3220101120101012200022210
43231213232212313233
513140013143412201
6313113343141503
724301455422430
oct3554756466757
9811511180283
10255143341551
119922984594a
1241546ba4893
131b0a1827a67
14c4c5947487
1569846371d6
hex3b67ba6def

255143341551 has 8 divisors (see below), whose sum is σ = 388789853824. Its totient is φ = 145796195160.

The previous prime is 255143341517. The next prime is 255143341573. The reversal of 255143341551 is 155143341552.

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

It is not a de Polignac number, because 255143341551 - 26 = 255143341487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255143341351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6074841445 + ... + 6074841486.

It is an arithmetic number, because the mean of its divisors is an integer number (48598731728).

Almost surely, 2255143341551 is an apocalyptic number.

255143341551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

255143341551 is a deficient number, since it is larger than the sum of its proper divisors (133646512273).

255143341551 is a wasteful number, since it uses less digits than its factorization.

255143341551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149682941.

The product of its digits is 180000, while the sum is 39.

Subtracting from 255143341551 its reverse (155143341552), we obtain a palindrome (99999999999).

The spelling of 255143341551 in words is "two hundred fifty-five billion, one hundred forty-three million, three hundred forty-one thousand, five hundred fifty-one".

Divisors: 1 3 7 21 12149682931 36449048793 85047780517 255143341551