Search a number
-
+
255662412460 = 225713210805681
BaseRepresentation
bin1110111000011010101…
…0101101001010101100
3220102220112221012202021
43232012222231022230
513142044034144320
6313241044435524
724320360435620
oct3560652551254
9812815835667
10255662412460
1199475848574
12416709a8ba4
131b155229400
14c534865180
1569b4ebadaa
hex3b86aad2ac

255662412460 has 72 divisors (see below), whose sum is σ = 664419774816. Its totient is φ = 80912931840.

The previous prime is 255662412437. The next prime is 255662412469. The reversal of 255662412460 is 64214266552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (255662412469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5379181 + ... + 5426500.

It is an arithmetic number, because the mean of its divisors is an integer number (9228052428).

Almost surely, 2255662412460 is an apocalyptic number.

255662412460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255662412460 is an abundant number, since it is smaller than the sum of its proper divisors (408757362356).

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

255662412460 is a wasteful number, since it uses less digits than its factorization.

255662412460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805723 (or 10805708 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 255662412460 in words is "two hundred fifty-five billion, six hundred sixty-two million, four hundred twelve thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 169 182 260 338 364 455 676 845 910 1183 1690 1820 2366 3380 4732 5915 11830 23660 10805681 21611362 43222724 54028405 75639767 108056810 140473853 151279534 216113620 280947706 302559068 378198835 561895412 702369265 756397670 983316971 1404738530 1512795340 1826160089 1966633942 2809477060 3652320178 3933267884 4916584855 7304640356 9130800445 9833169710 12783120623 18261600890 19666339420 25566241246 36523201780 51132482492 63915603115 127831206230 255662412460