Search a number
-
+
30115522431 = 323346169159
BaseRepresentation
bin11100000011000001…
…100110011101111111
32212201210200001100200
4130003001212131333
5443134033204211
621500200054543
72114201500641
oct340301463577
985653601320
1030115522431
1111854477815
125a05764453
132abc2b1c77
14165991a891
15bb3d47b56
hex70306677f

30115522431 has 6 divisors (see below), whose sum is σ = 43500199080. Its totient is φ = 20077014948.

The previous prime is 30115522421. The next prime is 30115522447. The reversal of 30115522431 is 13422551103.

It is not a de Polignac number, because 30115522431 - 27 = 30115522303 is a prime.

It is a super-2 number, since 2×301155224312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30115522395 and 30115522404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30115522421) 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 5 ways as a sum of consecutive naturals, for example, 1673084571 + ... + 1673084588.

It is an arithmetic number, because the mean of its divisors is an integer number (7250033180).

Almost surely, 230115522431 is an apocalyptic number.

30115522431 is a deficient number, since it is larger than the sum of its proper divisors (13384676649).

30115522431 is a wasteful number, since it uses less digits than its factorization.

30115522431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346169165 (or 3346169162 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 30115522431 in words is "thirty billion, one hundred fifteen million, five hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 3 9 3346169159 10038507477 30115522431