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30015310252 = 2283761118801
BaseRepresentation
bin11011111101000011…
…010100100110101100
32212110211002202002111
4123331003110212230
5442432404412002
621442220133404
72111543633104
oct337503244654
985424082074
1030015310252
1111802950934
125998097264
132aa45c5a15
14164a4b2204
15baa1503d7
hex6fd0d49ac

30015310252 has 24 divisors (see below), whose sum is σ = 53229948912. Its totient is φ = 14807232000.

The previous prime is 30015310243. The next prime is 30015310291. The reversal of 30015310252 is 25201351003.

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 7 ways as a sum of consecutive naturals, for example, 193252 + ... + 312052.

It is an arithmetic number, because the mean of its divisors is an integer number (2217914538).

Almost surely, 230015310252 is an apocalyptic number.

It is an amenable number.

30015310252 is a deficient number, since it is larger than the sum of its proper divisors (23214638660).

30015310252 is a wasteful number, since it uses less digits than its factorization.

30015310252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119649 (or 119647 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 30015310252 its reverse (25201351003), we get a palindrome (55216661255).

The spelling of 30015310252 in words is "thirty billion, fifteen million, three hundred ten thousand, two hundred fifty-two".

Divisors: 1 2 4 83 166 332 761 1522 3044 63163 118801 126326 237602 252652 475204 9860483 19720966 39441932 90407561 180815122 361630244 7503827563 15007655126 30015310252