Search a number
-
+
30312621303 = 353220386539
BaseRepresentation
bin11100001110110001…
…011110010011110111
32220020112112201011220
4130032301132103313
5444040012340203
621531520401423
72122114013136
oct341661362367
986215481156
1030312621303
1111945759048
125a5b776273
132b21091913
141677b8591d
15bc62cc653
hex70ec5e4f7

30312621303 has 16 divisors (see below), whose sum is σ = 41198578560. Its totient is φ = 19817894304.

The previous prime is 30312621281. The next prime is 30312621319.

It is a happy number.

30312621303 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 30312621303 - 225 = 30279066871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312621323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307008 + ... + 393546.

It is an arithmetic number, because the mean of its divisors is an integer number (2574911160).

Almost surely, 230312621303 is an apocalyptic number.

30312621303 is a deficient number, since it is larger than the sum of its proper divisors (10885957257).

30312621303 is a wasteful number, since it uses less digits than its factorization.

30312621303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88798.

The product of its (nonzero) digits is 1944, while the sum is 24.

The spelling of 30312621303 in words is "thirty billion, three hundred twelve million, six hundred twenty-one thousand, three hundred three".

Divisors: 1 3 53 159 2203 6609 86539 116759 259617 350277 4586567 13759701 190645417 571936251 10104207101 30312621303