Base | Representation |
---|---|
bin | 10101011101101110… |
… | …100000010111110101 |
3 | 2012111012120121001020 |
4 | 111131232200113311 |
5 | 334200102340124 |
6 | 14330543451353 |
7 | 1444063615041 |
oct | 253556402765 |
9 | 65435517036 |
10 | 23047308789 |
11 | 985767223a |
12 | 45725b6b59 |
13 | 2233b1462b |
14 | 1188cc5021 |
15 | 8ed557379 |
hex | 55dba05f5 |
23047308789 has 4 divisors (see below), whose sum is σ = 30729745056. Its totient is φ = 15364872524.
The previous prime is 23047308749. The next prime is 23047308797. The reversal of 23047308789 is 98780374032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23047308789 - 211 = 23047306741 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23047308749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3841218129 + ... + 3841218134.
It is an arithmetic number, because the mean of its divisors is an integer number (7682436264).
Almost surely, 223047308789 is an apocalyptic number.
It is an amenable number.
23047308789 is a deficient number, since it is larger than the sum of its proper divisors (7682436267).
23047308789 is an equidigital number, since it uses as much as digits as its factorization.
23047308789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7682436266.
The product of its (nonzero) digits is 2032128, while the sum is 51.
The spelling of 23047308789 in words is "twenty-three billion, forty-seven million, three hundred eight thousand, seven hundred eighty-nine".
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