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30031829135568 = 243313103118143961
BaseRepresentation
bin1101101010000010101001…
…00000011111000011010000
310221100000101210211101011000
412311001110200133003100
512414020141224314233
6143512233140022000
76216504502520631
oct665012440370320
9127300353741130
1030031829135568
119629477689777
123450452991900
13139acb2755a90
1475b7966d3888
153712e42b3d13
hex1b505481f0d0

30031829135568 has 320 divisors, whose sum is σ = 93816230376960. Its totient is φ = 9142892236800.

The previous prime is 30031829135557. The next prime is 30031829135569. The reversal of 30031829135568 is 86553192813003.

30031829135568 is a `hidden beast` number, since 3 + 0 + 0 + 3 + 1 + 82 + 9 + 1 + 3 + 556 + 8 = 666.

It is a super-2 number, since 2×300318291355682 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031829135569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 683125108 + ... + 683169068.

It is an arithmetic number, because the mean of its divisors is an integer number (293175719928).

Almost surely, 230031829135568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30031829135568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46908115188480).

30031829135568 is an abundant number, since it is smaller than the sum of its proper divisors (63784401241392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031829135568 is a wasteful number, since it uses less digits than its factorization.

30031829135568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45275 (or 45263 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 30031829135568 in words is "thirty trillion, thirty-one billion, eight hundred twenty-nine million, one hundred thirty-five thousand, five hundred sixty-eight".