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23193796609 = 179209148153
BaseRepresentation
bin10101100110011101…
…010100000000000001
32012212102012221120001
4111212131110000001
5340000102442414
614353255320001
71450523006164
oct254635240001
965772187501
1023193796609
119922325755
1245b3680001
132258283a09
1411a0537adb
1590b341074
hex566754001

23193796609 has 8 divisors (see below), whose sum is σ = 24560970120. Its totient is φ = 21826937856.

The previous prime is 23193796601. The next prime is 23193796649. The reversal of 23193796609 is 90669739132.

It can be written as a sum of positive squares in 4 ways, for example, as 3545607025 + 19648189584 = 59545^2 + 140172^2 .

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 23193796609 - 23 = 23193796601 is a prime.

It is a super-2 number, since 2×231937966092 (a number of 22 digits) contains 22 as substring.

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 23193796609.

It is not an unprimeable number, because it can be changed into a prime (23193796601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82477 + ... + 230629.

It is an arithmetic number, because the mean of its divisors is an integer number (3070121265).

Almost surely, 223193796609 is an apocalyptic number.

It is an amenable number.

23193796609 is a deficient number, since it is larger than the sum of its proper divisors (1367173511).

23193796609 is a wasteful number, since it uses less digits than its factorization.

23193796609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157379.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 23193796609 in words is "twenty-three billion, one hundred ninety-three million, seven hundred ninety-six thousand, six hundred nine".

Divisors: 1 17 9209 148153 156553 2518601 1364340977 23193796609