Search a number
-
+
155255032455050 = 252112571098373063
BaseRepresentation
bin100011010011010000100001…
…000011110001111110001010
3202100201020101011010222111002
4203103100201003301332022
5130322144301302030200
61310111102143135002
744462543302465103
oct4323204103617612
9670636334128432
10155255032455050
114551832036aa30
12154b55702a4462
1368826434a21c8
142a4a552ac33aa
1512e3816682bd5
hex8d34210f1f8a

155255032455050 has 48 divisors (see below), whose sum is σ = 316252359571392. Its totient is φ = 56236700774400.

The previous prime is 155255032455049. The next prime is 155255032455067. The reversal of 155255032455050 is 50554230552551.

It is a junction number, because it is equal to n+sod(n) for n = 155255032454986 and 155255032455004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549045182 + ... + 549327881.

It is an arithmetic number, because the mean of its divisors is an integer number (6588590824404).

Almost surely, 2155255032455050 is an apocalyptic number.

155255032455050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155255032455050 is an abundant number, since it is smaller than the sum of its proper divisors (160997327116342).

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

155255032455050 is a wasteful number, since it uses less digits than its factorization.

155255032455050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098373343 (or 1098373338 counting only the distinct ones).

The product of its (nonzero) digits is 3750000, while the sum is 47.

The spelling of 155255032455050 in words is "one hundred fifty-five trillion, two hundred fifty-five billion, thirty-two million, four hundred fifty-five thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 257 275 514 550 1285 2570 2827 5654 6425 12850 14135 28270 70675 141350 1098373063 2196746126 5491865315 10983730630 12082103693 24164207386 27459326575 54918653150 60410518465 120821036930 282281877191 302052592325 564563754382 604105184650 1411409385955 2822818771910 3105100649101 6210201298202 7057046929775 14114093859550 15525503245505 31051006491010 77627516227525 155255032455050