Search a number
-
+
9708919420 = 225485445971
BaseRepresentation
bin10010000101011001…
…00101101001111100
3221001122001012122011
421002230211221330
5124340440410140
64243223501004
7462411311344
oct110254455174
927048035564
109708919420
114132482952
121a6b5b7764
13bb95c3445
14681631d24
153bc561cea
hex242b25a7c

9708919420 has 12 divisors (see below), whose sum is σ = 20388730824. Its totient is φ = 3883567760.

The previous prime is 9708919403. The next prime is 9708919457. The reversal of 9708919420 is 249198079.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242722966 + ... + 242723005.

It is an arithmetic number, because the mean of its divisors is an integer number (1699060902).

Almost surely, 29708919420 is an apocalyptic number.

It is an amenable number.

9708919420 is an abundant number, since it is smaller than the sum of its proper divisors (10679811404).

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

9708919420 is a wasteful number, since it uses less digits than its factorization.

9708919420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485445980 (or 485445978 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 9708919420 is about 98533.8491078066. The cubic root of 9708919420 is about 2133.3247187695.

The spelling of 9708919420 in words is "nine billion, seven hundred eight million, nine hundred nineteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 485445971 970891942 1941783884 2427229855 4854459710 9708919420