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30867124124 = 227716781031
BaseRepresentation
bin11100101111110100…
…101110111110011100
32221200011221101001102
4130233310232332130
51001203440432444
622102525332232
72141626140344
oct345764567634
987604841042
1030867124124
11120aa761241
125b95407078
132babc1a7b5
1416cb687d24
15c09d0e84e
hex72fd2ef9c

30867124124 has 6 divisors (see below), whose sum is σ = 54017467224. Its totient is φ = 15433562060.

The previous prime is 30867124109. The next prime is 30867124147. The reversal of 30867124124 is 42142176803.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3858390512 + ... + 3858390519.

It is an arithmetic number, because the mean of its divisors is an integer number (9002911204).

Almost surely, 230867124124 is an apocalyptic number.

It is an amenable number.

30867124124 is a deficient number, since it is larger than the sum of its proper divisors (23150343100).

30867124124 is a wasteful number, since it uses less digits than its factorization.

30867124124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716781035 (or 7716781033 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 30867124124 in words is "thirty billion, eight hundred sixty-seven million, one hundred twenty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 7716781031 15433562062 30867124124