Search a number
-
+
51204850880 = 265160015159
BaseRepresentation
bin101111101100000011…
…000000010011000000
311220011112221221022112
4233230003000103000
51314331420212010
635305001354452
73461622023351
oct575403002300
9156145857275
1051204850880
111a796892387
129b10498a28
134aa0572141
14269a763d28
1514ea53ca05
hexbec0c04c0

51204850880 has 28 divisors (see below), whose sum is σ = 121931551920. Its totient is φ = 20481940224.

The previous prime is 51204850871. The next prime is 51204850889. The reversal of 51204850880 is 8805840215.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51204850871) and next prime (51204850889).

It is not an unprimeable number, because it can be changed into a prime (51204850889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80007260 + ... + 80007899.

Almost surely, 251204850880 is an apocalyptic number.

It is an amenable number.

51204850880 is an abundant number, since it is smaller than the sum of its proper divisors (70726701040).

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

51204850880 is a wasteful number, since it uses less digits than its factorization.

51204850880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160015176 (or 160015166 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The spelling of 51204850880 in words is "fifty-one billion, two hundred four million, eight hundred fifty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 160015159 320030318 640060636 800075795 1280121272 1600151590 2560242544 3200303180 5120485088 6400606360 10240970176 12801212720 25602425440 51204850880