Search a number
-
+
255607803340 = 22513991945253
BaseRepresentation
bin1110111000001101101…
…0011000110111001100
3220102202202011210010021
43232003122120313030
513141441044201330
6313231414151524
724316125323431
oct3560332306714
9812682153107
10255607803340
1199447a3996a
12416566525a4
131b146b19116
14c52b4cbb88
1569b02d067a
hex3b83698dcc

255607803340 has 24 divisors (see below), whose sum is σ = 540638093520. Its totient is φ = 101507558208.

The previous prime is 255607803331. The next prime is 255607803343. The reversal of 255607803340 is 43308706552.

It is not an unprimeable number, because it can be changed into a prime (255607803343) 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, 45969847 + ... + 45975406.

It is an arithmetic number, because the mean of its divisors is an integer number (22526587230).

Almost surely, 2255607803340 is an apocalyptic number.

255607803340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255607803340 is an abundant number, since it is smaller than the sum of its proper divisors (285030290180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255607803340 is a wasteful number, since it uses less digits than its factorization.

255607803340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91945401 (or 91945399 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 255607803340 in words is "two hundred fifty-five billion, six hundred seven million, eight hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 91945253 183890506 367781012 459726265 919452530 1838905060 12780390167 25560780334 51121560668 63901950835 127803901670 255607803340