Base | Representation |
---|---|
bin | 10011111111011010… |
… | …101010101111001100 |
3 | 2001101221021112010002 |
4 | 103333122222233030 |
5 | 322430023100220 |
6 | 13505542303432 |
7 | 1356631625606 |
oct | 237732525714 |
9 | 61357245102 |
10 | 21465050060 |
11 | 91155088a3 |
12 | 41b0727b78 |
13 | 2041080b6c |
14 | 1078acc176 |
15 | 8596aec75 |
hex | 4ff6aabcc |
21465050060 has 48 divisors (see below), whose sum is σ = 46651701600. Its totient is φ = 8286265344.
The previous prime is 21465050059. The next prime is 21465050107. The reversal of 21465050060 is 6005056412.
It is a super-3 number, since 3×214650500603 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
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, 1552739 + ... + 1566501.
It is an arithmetic number, because the mean of its divisors is an integer number (971910450).
Almost surely, 221465050060 is an apocalyptic number.
21465050060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21465050060 is an abundant number, since it is smaller than the sum of its proper divisors (25186651540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21465050060 is a wasteful number, since it uses less digits than its factorization.
21465050060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16490 (or 16488 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
The spelling of 21465050060 in words is "twenty-one billion, four hundred sixty-five million, fifty thousand, sixty".
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