Search a number
-
+
6931200140 = 225604357349
BaseRepresentation
bin1100111010010000…
…11011100010001100
3122220001021110010022
412131020123202030
5103143341401030
63103435401312
7333522141404
oct63510334214
918801243108
106931200140
112a37533287
1214152b3238
13865c97777
1449a76b804
152a8778de5
hex19d21b88c

6931200140 has 24 divisors (see below), whose sum is σ = 14558182800. Its totient is φ = 2771972928.

The previous prime is 6931200139. The next prime is 6931200149. The reversal of 6931200140 is 410021396.

It is not an unprimeable number, because it can be changed into a prime (6931200149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92186 + ... + 149534.

It is an arithmetic number, because the mean of its divisors is an integer number (606590950).

Almost surely, 26931200140 is an apocalyptic number.

It is an amenable number.

6931200140 is an abundant number, since it is smaller than the sum of its proper divisors (7626982660).

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

6931200140 is a wasteful number, since it uses less digits than its factorization.

6931200140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63401 (or 63399 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 6931200140 is about 83253.8295815874. The cubic root of 6931200140 is about 1906.6434235325.

The spelling of 6931200140 in words is "six billion, nine hundred thirty-one million, two hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6043 12086 24172 30215 57349 60430 114698 120860 229396 286745 573490 1146980 346560007 693120014 1386240028 1732800035 3465600070 6931200140