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30123529723 = 713731411397
BaseRepresentation
bin11100000011100000…
…001001010111111011
32212202100201212022001
4130003200021113323
5443143110422343
621501043441431
72114326530550
oct340340112773
985670655261
1030123529723
1111858a46811
125a08386277
132ac0b56801
14165aa02a27
15bb48ca44d
hex7038095fb

30123529723 has 8 divisors (see below), whose sum is σ = 34678183392. Its totient is φ = 25631699136.

The previous prime is 30123529697. The next prime is 30123529769. The reversal of 30123529723 is 32792532103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30123529723 - 217 = 30123398651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30123509723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15704740 + ... + 15706657.

It is an arithmetic number, because the mean of its divisors is an integer number (4334772924).

Almost surely, 230123529723 is an apocalyptic number.

30123529723 is a deficient number, since it is larger than the sum of its proper divisors (4554653669).

30123529723 is a wasteful number, since it uses less digits than its factorization.

30123529723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31411541.

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 30123529723 in words is "thirty billion, one hundred twenty-three million, five hundred twenty-nine thousand, seven hundred twenty-three".

Divisors: 1 7 137 959 31411397 219879779 4303361389 30123529723