Search a number
-
+
30122355123 = 327478132621
BaseRepresentation
bin11100000011011011…
…101010100110110011
32212202021112012001100
4130003123222212303
5443142310330443
621501002335443
72114313536220
oct340333524663
985667465040
1030122355123
1111858314273
125a07aba583
132ac0834c93
14165a7b8947
15bb47473d3
hex7036ea9b3

30122355123 has 12 divisors (see below), whose sum is σ = 49725792688. Its totient is φ = 17212774320.

The previous prime is 30122355101. The next prime is 30122355127. The reversal of 30122355123 is 32155322103.

It is a happy number.

30122355123 is a `hidden beast` number, since 301 + 2 + 2 + 355 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 30122355123 - 29 = 30122354611 is a prime.

It is a super-2 number, since 2×301223551232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122355127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 239066248 + ... + 239066373.

Almost surely, 230122355123 is an apocalyptic number.

30122355123 is a deficient number, since it is larger than the sum of its proper divisors (19603437565).

30122355123 is a wasteful number, since it uses less digits than its factorization.

30122355123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478132634 (or 478132631 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 30122355123 its reverse (32155322103), we get a palindrome (62277677226).

The spelling of 30122355123 in words is "thirty billion, one hundred twenty-two million, three hundred fifty-five thousand, one hundred twenty-three".

Divisors: 1 3 7 9 21 63 478132621 1434397863 3346928347 4303193589 10040785041 30122355123