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255050550520 = 23517508173819
BaseRepresentation
bin1110110110001000110…
…0101000110011111000
3220101022220121101221221
43231202030220303320
513134320420104040
6313100230241424
724266250623563
oct3554214506370
9811286541857
10255050550520
1199191428647
124151bab6274
131b08853961c
14c4b74b14da
15697b40874a
hex3b62328cf8

255050550520 has 64 divisors (see below), whose sum is σ = 607748248800. Its totient is φ = 95998832640.

The previous prime is 255050550481. The next prime is 255050550523. The reversal of 255050550520 is 25055050552.

255050550520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255050550523) 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 15 ways as a sum of consecutive naturals, for example, 3418171 + ... + 3491989.

Almost surely, 2255050550520 is an apocalyptic number.

255050550520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255050550520 is an abundant number, since it is smaller than the sum of its proper divisors (352697698280).

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

255050550520 is a wasteful number, since it uses less digits than its factorization.

255050550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78928 (or 78924 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 255050550520 in words is "two hundred fifty-five billion, fifty million, five hundred fifty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 5081 10162 20324 25405 40648 50810 73819 86377 101620 147638 172754 203240 295276 345508 369095 431885 590552 691016 738190 863770 1254923 1476380 1727540 2509846 2952760 3455080 5019692 6274615 10039384 12549230 25098460 50196920 375074339 750148678 1500297356 1875371695 3000594712 3750743390 6376263763 7501486780 12752527526 15002973560 25505055052 31881318815 51010110104 63762637630 127525275260 255050550520