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30313203999 = 3132174185781
BaseRepresentation
bin11100001110110011…
…101100100100011111
32220020120122022111020
4130032303230210133
5444040140011444
621531541055223
72122121661021
oct341663544437
986216568436
1030313203999
1111946016911
125a5b9b7513
132b21236c00
141677c98011
15bc6395119
hex70ecec91f

30313203999 has 48 divisors (see below), whose sum is σ = 47471072544. Its totient is φ = 17128550400.

The previous prime is 30313203941. The next prime is 30313204043. The reversal of 30313203999 is 99930231303.

It is not a de Polignac number, because 30313203999 - 213 = 30313195807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30313203999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313202999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310489 + ... + 396269.

It is an arithmetic number, because the mean of its divisors is an integer number (988980678).

Almost surely, 230313203999 is an apocalyptic number.

30313203999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30313203999 is a deficient number, since it is larger than the sum of its proper divisors (17157868545).

30313203999 is a wasteful number, since it uses less digits than its factorization.

30313203999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85868 (or 85855 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 42.

The spelling of 30313203999 in words is "thirty billion, three hundred thirteen million, two hundred three thousand, nine hundred ninety-nine".

Divisors: 1 3 13 17 39 41 51 123 169 221 507 533 663 697 1599 2091 2873 6929 8619 9061 20787 27183 85781 117793 257343 353379 1115153 1458277 3345459 3517021 4374831 10551063 14496989 18957601 43490967 45721273 56872803 59789357 137163819 179368071 246448813 594376549 739346439 777261641 1783129647 2331784923 10104401333 30313203999