Search a number
-
+
255135042040454 = 21528947933174071
BaseRepresentation
bin111010000000101101000001…
…100011001111001010000110
31020110100200010202022212222022
4322000231001203033022012
5231420113031230243304
62302343230435003142
7104511620120146622
oct7200550143171206
91213320122285868
10255135042040454
1174326188969704
1224746a694394b2
13ac49192408a14
14470085d966182
151e769abc41ebe
hexe80b418cf286

255135042040454 has 16 divisors (see below), whose sum is σ = 382737777665760. Its totient is φ = 127555783293120.

The previous prime is 255135042040441. The next prime is 255135042040471. The reversal of 255135042040454 is 454040240531552.

It is a super-2 number, since 2×2551350420404542 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465608239 + ... + 1465782309.

It is an arithmetic number, because the mean of its divisors is an integer number (23921111104110).

Almost surely, 2255135042040454 is an apocalyptic number.

255135042040454 is a deficient number, since it is larger than the sum of its proper divisors (127602735625306).

255135042040454 is a wasteful number, since it uses less digits than its factorization.

255135042040454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237295.

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 255135042040454 in words is "two hundred fifty-five trillion, one hundred thirty-five billion, forty-two million, forty thousand, four hundred fifty-four".

Divisors: 1 2 15289 30578 47933 95866 174071 348142 732847637 1465695274 2661371519 5322743038 8343745243 16687490486 127567521020227 255135042040454