Base | Representation |
---|---|
bin | 10101011101101110… |
… | …011010110100110101 |
3 | 2012111012112102212202 |
4 | 111131232122310311 |
5 | 334200101123234 |
6 | 14330543154245 |
7 | 1444063461563 |
oct | 253556326465 |
9 | 65435472782 |
10 | 23047286069 |
11 | 9857657165 |
12 | 45725a5985 |
13 | 2233b071a2 |
14 | 1188cbaa33 |
15 | 8ed55077e |
hex | 55db9ad35 |
23047286069 has 4 divisors (see below), whose sum is σ = 23049327840. Its totient is φ = 23045244300.
The previous prime is 23047286063. The next prime is 23047286113. The reversal of 23047286069 is 96068274032.
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 a de Polignac number, because none of the positive numbers 2k-23047286069 is a prime.
It is a super-2 number, since 2×230472860692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23047286063) 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, 1003859 + ... + 1026560.
It is an arithmetic number, because the mean of its divisors is an integer number (5762331960).
Almost surely, 223047286069 is an apocalyptic number.
It is an amenable number.
23047286069 is a deficient number, since it is larger than the sum of its proper divisors (2041771).
23047286069 is a wasteful number, since it uses less digits than its factorization.
23047286069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2041770.
The product of its (nonzero) digits is 870912, while the sum is 47.
The spelling of 23047286069 in words is "twenty-three billion, forty-seven million, two hundred eighty-six thousand, sixty-nine".
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