Search a number
-
+
30104204123 = 761647108967
BaseRepresentation
bin11100000010010110…
…011011001101011011
32212201000101000120002
4130002112123031123
5443123134012443
621455113323215
72114003340650
oct340226331533
985630330502
1030104204123
1111849047144
125a01a0650b
132ab9b4b346
141658211c27
15bb2d5e2b8
hex70259b35b

30104204123 has 16 divisors (see below), whose sum is σ = 35023186944. Its totient is φ = 25341132960.

The previous prime is 30104204101. The next prime is 30104204159. The reversal of 30104204123 is 32140240103.

It is a cyclic number.

It is not a de Polignac number, because 30104204123 - 216 = 30104138587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30104204095 and 30104204104.

It is not an unprimeable number, because it can be changed into a prime (30104204323) 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, 221786 + ... + 330752.

It is an arithmetic number, because the mean of its divisors is an integer number (2188949184).

Almost surely, 230104204123 is an apocalyptic number.

30104204123 is a deficient number, since it is larger than the sum of its proper divisors (4918982821).

30104204123 is a wasteful number, since it uses less digits than its factorization.

30104204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109682.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30104204123 its reverse (32140240103), we get a palindrome (62244444226).

The spelling of 30104204123 in words is "thirty billion, one hundred four million, two hundred four thousand, one hundred twenty-three".

Divisors: 1 7 61 427 647 4529 39467 108967 276269 762769 6646987 46528909 70501649 493511543 4300600589 30104204123