Base | Representation |
---|---|
bin | 1010101011010011001101… |
… | …01001101100101011101010 |
3 | 10002010110212010100212112112 |
4 | 11111221212221230223222 |
5 | 11034130432420300030 |
6 | 121533352300442322 |
7 | 4642142026363412 |
oct | 525514651545352 |
9 | 102113763325475 |
10 | 23478013446890 |
11 | 7531a7357a462 |
12 | 27722432493a2 |
13 | 1013c75b3a162 |
14 | 5b24b02d7642 |
15 | 2aaab4d88a95 |
hex | 155a66a6caea |
23478013446890 has 32 divisors (see below), whose sum is σ = 43403943398400. Its totient is φ = 9137105740224.
The previous prime is 23478013446887. The next prime is 23478013446961. The reversal of 23478013446890 is 9864431087432.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11169911 + ... + 13104309.
It is an arithmetic number, because the mean of its divisors is an integer number (1356373231200).
Almost surely, 223478013446890 is an apocalyptic number.
23478013446890 is a deficient number, since it is larger than the sum of its proper divisors (19925929951510).
23478013446890 is a wasteful number, since it uses less digits than its factorization.
23478013446890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1967246.
The product of its (nonzero) digits is 27869184, while the sum is 59.
The spelling of 23478013446890 in words is "twenty-three trillion, four hundred seventy-eight billion, thirteen million, four hundred forty-six thousand, eight hundred ninety".
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