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30867819133 = 1132693672767
BaseRepresentation
bin11100101111110111…
…011000101001111101
32221200020020200102111
4130233313120221331
51001204130203013
622102552254021
72141635063534
oct345767305175
987606220374
1030867819133
1112100096428
125b956a1311
132bac101c48
1416cb7c931b
15c09dea73d
hex72fdd8a7d

30867819133 has 16 divisors (see below), whose sum is σ = 31353246720. Its totient is φ = 30386877696.

The previous prime is 30867819113. The next prime is 30867819149. The reversal of 30867819133 is 33191876803.

It is a cyclic number.

It is not a de Polignac number, because 30867819133 - 225 = 30834264701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30867819113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11154316 + ... + 11157082.

It is an arithmetic number, because the mean of its divisors is an integer number (1959577920).

Almost surely, 230867819133 is an apocalyptic number.

It is an amenable number.

30867819133 is a deficient number, since it is larger than the sum of its proper divisors (485427587).

30867819133 is a wasteful number, since it uses less digits than its factorization.

30867819133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 30867819133 in words is "thirty billion, eight hundred sixty-seven million, eight hundred nineteen thousand, one hundred thirty-three".

Divisors: 1 113 269 367 2767 30397 41471 98723 312671 744323 1015489 11155699 84108499 114750257 273166541 30867819133