Base | Representation |
---|---|
bin | 10011110111110110… |
… | …001011111010010101 |
3 | 2001002002022001102202 |
4 | 103313312023322111 |
5 | 322200014433401 |
6 | 13445204214245 |
7 | 1353530253641 |
oct | 236766137225 |
9 | 61062261382 |
10 | 21338046101 |
11 | 905a852949 |
12 | 417609a385 |
13 | 2020973ca8 |
14 | 1065cabc21 |
15 | 84d47406b |
hex | 4f7d8be95 |
21338046101 has 8 divisors (see below), whose sum is σ = 21434736960. Its totient is φ = 21241399392.
The previous prime is 21338046089. The next prime is 21338046127. The reversal of 21338046101 is 10164083312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21338046101 - 214 = 21338029717 is a prime.
It is a super-2 number, since 2×213380461012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21338046181) 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, 1310456 + ... + 1326638.
It is an arithmetic number, because the mean of its divisors is an integer number (2679342120).
Almost surely, 221338046101 is an apocalyptic number.
It is an amenable number.
21338046101 is a deficient number, since it is larger than the sum of its proper divisors (96690859).
21338046101 is a wasteful number, since it uses less digits than its factorization.
21338046101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22075.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 21338046101 in words is "twenty-one billion, three hundred thirty-eight million, forty-six thousand, one hundred one".
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