Search a number
-
+
48780646420 = 225111052921059
BaseRepresentation
bin101101011011100011…
…011001100000010100
311122220121101120222011
4231123203121200110
51244400321141140
634224242314004
73344554440022
oct553343314024
9148817346864
1048780646420
1119762448720
129554658904
1347a526042c
14250a803712
1514077d4cea
hexb5b8d9814

48780646420 has 48 divisors (see below), whose sum is σ = 111767947200. Its totient is φ = 17735889920.

The previous prime is 48780646399. The next prime is 48780646441. The reversal of 48780646420 is 2464608784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (48780646399) and next prime (48780646441).

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305851 + ... + 2326909.

It is an arithmetic number, because the mean of its divisors is an integer number (2328498900).

Almost surely, 248780646420 is an apocalyptic number.

It is an amenable number.

48780646420 is an abundant number, since it is smaller than the sum of its proper divisors (62987300780).

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

48780646420 is a wasteful number, since it uses less digits than its factorization.

48780646420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31608 (or 31606 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 48780646420 in words is "forty-eight billion, seven hundred eighty million, six hundred forty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10529 21058 21059 42116 42118 52645 84236 105290 105295 115819 210580 210590 231638 231649 421180 463276 463298 579095 926596 1158190 1158245 2316380 2316490 4632980 221730211 443460422 886920844 1108651055 2217302110 2439032321 4434604220 4878064642 9756129284 12195161605 24390323210 48780646420