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30291309303 = 3192926369677
BaseRepresentation
bin11100001101100000…
…001011001011110111
32220012001102221121120
4130031200023023313
5444014033344203
621525435515023
72121434611053
oct341540131367
986161387546
1030291309303
1111934722022
125a545b8a73
132b1983c278
141674dd8c63
15bc44bcb53
hex70d80b2f7

30291309303 has 32 divisors (see below), whose sum is σ = 44147980800. Its totient is φ = 18401152896.

The previous prime is 30291309299. The next prime is 30291309317. The reversal of 30291309303 is 30390319203.

It is a happy number.

It is not a de Polignac number, because 30291309303 - 22 = 30291309299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30291309353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399901 + ... + 469577.

It is an arithmetic number, because the mean of its divisors is an integer number (1379624400).

Almost surely, 230291309303 is an apocalyptic number.

30291309303 is a deficient number, since it is larger than the sum of its proper divisors (13856671497).

30291309303 is a wasteful number, since it uses less digits than its factorization.

30291309303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69991.

The product of its (nonzero) digits is 13122, while the sum is 33.

The spelling of 30291309303 in words is "thirty billion, two hundred ninety-one million, three hundred nine thousand, three hundred three".

Divisors: 1 3 19 29 57 87 263 551 789 1653 4997 7627 14991 22881 69677 144913 209031 434739 1323863 2020633 3971589 6061899 18325051 38392027 54975153 115176081 348175969 531426479 1044527907 1594279437 10097103101 30291309303