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30313068819 = 3112152942667
BaseRepresentation
bin11100001110110011…
…001011100100010011
32220020120101110001120
4130032303023210103
5444040121200234
621531534133323
72122120555635
oct341663134423
986216343046
1030313068819
1111945a342a0
125a5b951243
132b211ba517
141677c60a55
15bc636a049
hex70eccb913

30313068819 has 16 divisors (see below), whose sum is σ = 44094817920. Its totient is φ = 18370272960.

The previous prime is 30313068803. The next prime is 30313068899. The reversal of 30313068819 is 91886031303.

It is not a de Polignac number, because 30313068819 - 24 = 30313068803 is a prime.

It is a super-2 number, since 2×303130688192 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30313068899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689124 + ... + 731790.

It is an arithmetic number, because the mean of its divisors is an integer number (2755926120).

Almost surely, 230313068819 is an apocalyptic number.

30313068819 is a deficient number, since it is larger than the sum of its proper divisors (13781749101).

30313068819 is a wasteful number, since it uses less digits than its factorization.

30313068819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64210.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 30313068819 in words is "thirty billion, three hundred thirteen million, sixty-eight thousand, eight hundred nineteen".

Divisors: 1 3 11 33 21529 42667 64587 128001 236819 469337 710457 1408011 918577843 2755733529 10104356273 30313068819