Base | Representation |
---|---|
bin | 10101110010111111… |
… | …101011101100011000 |
3 | 2020102002000011001002 |
4 | 111302333223230120 |
5 | 340412424230034 |
6 | 14430211444132 |
7 | 1455655564220 |
oct | 256277535430 |
9 | 66362004032 |
10 | 23404133144 |
11 | 9a200286a7 |
12 | 4651bb6648 |
13 | 228ca19ac2 |
14 | 11c044b080 |
15 | 91ea3ce7e |
hex | 572febb18 |
23404133144 has 16 divisors (see below), whose sum is σ = 50151714000. Its totient is φ = 10030342752.
The previous prime is 23404133119. The next prime is 23404133149. The reversal of 23404133144 is 44133140432.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23404133149) 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, 208965419 + ... + 208965530.
It is an arithmetic number, because the mean of its divisors is an integer number (3134482125).
Almost surely, 223404133144 is an apocalyptic number.
It is an amenable number.
23404133144 is an abundant number, since it is smaller than the sum of its proper divisors (26747580856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23404133144 is a wasteful number, since it uses less digits than its factorization.
23404133144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417930962 (or 417930958 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 23404133144 its reverse (44133140432), we get a palindrome (67537273576).
The spelling of 23404133144 in words is "twenty-three billion, four hundred four million, one hundred thirty-three thousand, one hundred forty-four".
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