Base | Representation |
---|---|
bin | 100111010100001101… |
… | …110110110110011011 |
3 | 11000222001011200102100 |
4 | 213110031312312123 |
5 | 1142424031423440 |
6 | 31220544134443 |
7 | 3023062332414 |
oct | 472415666633 |
9 | 130861150370 |
10 | 42215107995 |
11 | 169a3367505 |
12 | 8221907423 |
13 | 3c99c73758 |
14 | 208685c80b |
15 | 11711da230 |
hex | 9d4376d9b |
42215107995 has 24 divisors (see below), whose sum is σ = 74413076400. Its totient is φ = 22133117376.
The previous prime is 42215107969. The next prime is 42215108009. The reversal of 42215107995 is 59970151224.
42215107995 is a `hidden beast` number, since 42 + 2 + 1 + 510 + 7 + 9 + 95 = 666.
It is not a de Polignac number, because 42215107995 - 27 = 42215107867 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 42215107995.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7947460 + ... + 7952769.
It is an arithmetic number, because the mean of its divisors is an integer number (3100544850).
Almost surely, 242215107995 is an apocalyptic number.
42215107995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
42215107995 is a deficient number, since it is larger than the sum of its proper divisors (32197968405).
42215107995 is a wasteful number, since it uses less digits than its factorization.
42215107995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15900299 (or 15900296 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 45.
The spelling of 42215107995 in words is "forty-two billion, two hundred fifteen million, one hundred seven thousand, nine hundred ninety-five".
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