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30123674573 = 35298536037
BaseRepresentation
bin11100000011100000…
…101100101111001101
32212202101000012222212
4130003200230233031
5443143130041243
621501050520205
72114331003056
oct340340545715
985671005885
1030123674573
1111859035623
125a08436065
132ac0ba7715
14165aa3d72d
15bb4908318
hex70382cbcd

30123674573 has 4 divisors (see below), whose sum is σ = 30132214140. Its totient is φ = 30115135008.

The previous prime is 30123674543. The next prime is 30123674593. The reversal of 30123674573 is 37547632103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15594265129 + 14529409444 = 124877^2 + 120538^2 .

It is a cyclic number.

It is not a de Polignac number, because 30123674573 - 26 = 30123674509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30123674573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123674533) 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 3 ways as a sum of consecutive naturals, for example, 4264490 + ... + 4271547.

It is an arithmetic number, because the mean of its divisors is an integer number (7533053535).

Almost surely, 230123674573 is an apocalyptic number.

It is an amenable number.

30123674573 is a deficient number, since it is larger than the sum of its proper divisors (8539567).

30123674573 is an equidigital number, since it uses as much as digits as its factorization.

30123674573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539566.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 30123674573 in words is "thirty billion, one hundred twenty-three million, six hundred seventy-four thousand, five hundred seventy-three".

Divisors: 1 3529 8536037 30123674573