Base | Representation |
---|---|
bin | 10101100010101000… |
… | …111111111110101101 |
3 | 2012200221201010010211 |
4 | 111202220333332231 |
5 | 334332204021334 |
6 | 14343050502421 |
7 | 1446114433516 |
oct | 254250777655 |
9 | 65627633124 |
10 | 23129751469 |
11 | 989a161690 |
12 | 4596134a11 |
13 | 2247c1b796 |
14 | 1195c25a0d |
15 | 9058dea64 |
hex | 562a3ffad |
23129751469 has 8 divisors (see below), whose sum is σ = 25240089312. Its totient is φ = 21020685840.
The previous prime is 23129751451. The next prime is 23129751497. The reversal of 23129751469 is 96415792132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23129751469 - 211 = 23129749421 is a prime.
It is a super-2 number, since 2×231297514692 (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 (23129751499) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279834 + ... + 352939.
It is an arithmetic number, because the mean of its divisors is an integer number (3155011164).
Almost surely, 223129751469 is an apocalyptic number.
It is an amenable number.
23129751469 is a deficient number, since it is larger than the sum of its proper divisors (2110337843).
23129751469 is a wasteful number, since it uses less digits than its factorization.
23129751469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636107.
The product of its digits is 816480, while the sum is 49.
The spelling of 23129751469 in words is "twenty-three billion, one hundred twenty-nine million, seven hundred fifty-one thousand, four hundred sixty-nine".
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