Search a number
-
+
30860893953 = 3229118240973
BaseRepresentation
bin11100101111011100…
…111101111100000001
32221122202012211212100
4130233130331330001
51001200342101303
622102144021013
72141522161521
oct345734757401
987582184770
1030860893953
11120a719643a
125b93301769
132baa848ac6
1416ca905681
15c094cd8a3
hex72f73df01

30860893953 has 12 divisors (see below), whose sum is σ = 46113979860. Its totient is φ = 19864483296.

The previous prime is 30860893927. The next prime is 30860893993. The reversal of 30860893953 is 35939806803.

It can be written as a sum of positive squares in 2 ways, for example, as 17017724304 + 13843169649 = 130452^2 + 117657^2 .

It is not a de Polignac number, because 30860893953 - 216 = 30860828417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30860893953.

It is not an unprimeable number, because it can be changed into a prime (30860893993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59120226 + ... + 59120747.

It is an arithmetic number, because the mean of its divisors is an integer number (3842831655).

Almost surely, 230860893953 is an apocalyptic number.

It is an amenable number.

30860893953 is a deficient number, since it is larger than the sum of its proper divisors (15253085907).

30860893953 is a wasteful number, since it uses less digits than its factorization.

30860893953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118241008 (or 118241005 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 30860893953 in words is "thirty billion, eight hundred sixty million, eight hundred ninety-three thousand, nine hundred fifty-three".

Divisors: 1 3 9 29 87 261 118240973 354722919 1064168757 3428988217 10286964651 30860893953