Base | Representation |
---|---|
bin | 10101011011000110… |
… | …110011001010010011 |
3 | 2012101010212000211022 |
4 | 111123012303022103 |
5 | 334102324024210 |
6 | 14322333310055 |
7 | 1443021132251 |
oct | 253306631223 |
9 | 65333760738 |
10 | 23003345555 |
11 | 9834874a93 |
12 | 455b93532b |
13 | 2227990b98 |
14 | 118311d5d1 |
15 | 8e9771155 |
hex | 55b1b3293 |
23003345555 has 8 divisors (see below), whose sum is σ = 28494466944. Its totient is φ = 17809041600.
The previous prime is 23003345551. The next prime is 23003345623. The reversal of 23003345555 is 55554330032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23003345555 - 22 = 23003345551 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23003345551) 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, 74204186 + ... + 74204495.
It is an arithmetic number, because the mean of its divisors is an integer number (3561808368).
Almost surely, 223003345555 is an apocalyptic number.
23003345555 is a deficient number, since it is larger than the sum of its proper divisors (5491121389).
23003345555 is a wasteful number, since it uses less digits than its factorization.
23003345555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148408717.
The product of its (nonzero) digits is 135000, while the sum is 35.
Adding to 23003345555 its reverse (55554330032), we get a palindrome (78557675587).
The spelling of 23003345555 in words is "twenty-three billion, three million, three hundred forty-five thousand, five hundred fifty-five".
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