Base | Representation |
---|---|
bin | 10101011101011110… |
… | …010000101010001001 |
3 | 2012110220120020020210 |
4 | 111131132100222021 |
5 | 334143010100441 |
6 | 14330312311333 |
7 | 1444012460100 |
oct | 253536205211 |
9 | 65426506223 |
10 | 23043050121 |
11 | 9855223683 |
12 | 45710a2549 |
13 | 2232c83100 |
14 | 11884d7037 |
15 | 8eceb5616 |
hex | 55d790a89 |
23043050121 has 72 divisors (see below), whose sum is σ = 38985236640. Its totient is φ = 12065324544.
The previous prime is 23043050101. The next prime is 23043050123. The reversal of 23043050121 is 12105034032.
It is not a de Polignac number, because 23043050121 - 217 = 23042919049 is a prime.
It is a super-2 number, since 2×230430501212 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (23043050123) 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 71 ways as a sum of consecutive naturals, for example, 3449841 + ... + 3456513.
It is an arithmetic number, because the mean of its divisors is an integer number (541461620).
Almost surely, 223043050121 is an apocalyptic number.
23043050121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23043050121 is a deficient number, since it is larger than the sum of its proper divisors (15942186519).
23043050121 is a wasteful number, since it uses less digits than its factorization.
23043050121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6855 (or 6835 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 23043050121 its reverse (12105034032), we get a palindrome (35148084153).
The spelling of 23043050121 in words is "twenty-three billion, forty-three million, fifty thousand, one hundred twenty-one".
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