Search a number
-
+
30120031102 = 272151430793
BaseRepresentation
bin11100000011010010…
…110011001101111110
32212202010011010002111
4130003102303031332
5443141211443402
621500440444234
72114255016520
oct340322631576
985663133074
1030120031102
1111856a77197
125a0717967a
132ac0200215
14165a371a10
15bb44389d7
hex7034b337e

30120031102 has 8 divisors (see below), whose sum is σ = 51634339056. Its totient is φ = 12908584752.

The previous prime is 30120031063. The next prime is 30120031171. The reversal of 30120031102 is 20113002103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075715383 + ... + 1075715410.

It is an arithmetic number, because the mean of its divisors is an integer number (6454292382).

Almost surely, 230120031102 is an apocalyptic number.

30120031102 is a deficient number, since it is larger than the sum of its proper divisors (21514307954).

30120031102 is a wasteful number, since it uses less digits than its factorization.

30120031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151430802.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30120031102 its reverse (20113002103), we get a palindrome (50233033205).

The spelling of 30120031102 in words is "thirty billion, one hundred twenty million, thirty-one thousand, one hundred two".

Divisors: 1 2 7 14 2151430793 4302861586 15060015551 30120031102