Search a number
-
+
48800125728 = 253418827209
BaseRepresentation
bin101101011100101101…
…101101001100100000
311122221222001020120000
4231130231231030200
51244420313010403
634230220020000
73345212140014
oct553455551440
9148858036500
1048800125728
1119772442822
12955b091600
1347a92c0853
14250d234544
1514093817a3
hexb5cb6d320

48800125728 has 60 divisors (see below), whose sum is σ = 143519821830. Its totient is φ = 16266707712.

The previous prime is 48800125697. The next prime is 48800125747. The reversal of 48800125728 is 82752100884.

It is a happy number.

48800125728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45067893264 + 3732232464 = 212292^2 + 61092^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9411013 + ... + 9416196.

Almost surely, 248800125728 is an apocalyptic number.

48800125728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

48800125728 is an abundant number, since it is smaller than the sum of its proper divisors (94719696102).

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

48800125728 is a wasteful number, since it uses less digits than its factorization.

48800125728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18827231 (or 18827214 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 48800125728 in words is "forty-eight billion, eight hundred million, one hundred twenty-five thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 18827209 37654418 56481627 75308836 112963254 150617672 169444881 225926508 301235344 338889762 451853016 508334643 602470688 677779524 903706032 1016669286 1355559048 1525003929 1807412064 2033338572 2711118096 3050007858 4066677144 5422236192 6100015716 8133354288 12200031432 16266708576 24400062864 48800125728