Base | Representation |
---|---|
bin | 10101100010010000… |
… | …011111100111100001 |
3 | 2012200111121202001110 |
4 | 111202100133213201 |
5 | 334324032434312 |
6 | 14342301053533 |
7 | 1446006016566 |
oct | 254220374741 |
9 | 65614552043 |
10 | 23123327457 |
11 | 989657418a |
12 | 4593b572a9 |
13 | 22467ac7a9 |
14 | 119503286d |
15 | 90507143c |
hex | 56241f9e1 |
23123327457 has 8 divisors (see below), whose sum is σ = 30832000384. Its totient is φ = 15415103088.
The previous prime is 23123327429. The next prime is 23123327473. The reversal of 23123327457 is 75472332132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23123327457 - 216 = 23123261921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23123327417) 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, 36168 + ... + 218070.
It is an arithmetic number, because the mean of its divisors is an integer number (3854000048).
Almost surely, 223123327457 is an apocalyptic number.
It is an amenable number.
23123327457 is a deficient number, since it is larger than the sum of its proper divisors (7708672927).
23123327457 is a wasteful number, since it uses less digits than its factorization.
23123327457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224279.
The product of its digits is 211680, while the sum is 39.
Adding to 23123327457 its reverse (75472332132), we get a palindrome (98595659589).
The spelling of 23123327457 in words is "twenty-three billion, one hundred twenty-three million, three hundred twenty-seven thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •