Base | Representation |
---|---|
bin | 10011011100100001010001… |
… | …01111111111011000010001 |
3 | 12121101221120221221011122201 |
4 | 21232100220233333120101 |
5 | 21101100300241133420 |
6 | 230540150023403201 |
7 | 12002256545251663 |
oct | 1156205057773021 |
9 | 177357527834581 |
10 | 42761378067985 |
11 | 12696aa9150475 |
12 | 4967536bb3501 |
13 | 1ab24c4395a95 |
14 | a7b939b66533 |
15 | 4e24c54b610a |
hex | 26e428bff611 |
42761378067985 has 16 divisors (see below), whose sum is σ = 52131511930752. Its totient is φ = 33665625302400.
The previous prime is 42761378067983. The next prime is 42761378068039. The reversal of 42761378067985 is 58976087316724.
It is not a de Polignac number, because 42761378067985 - 21 = 42761378067983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42761378067983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109910556 + ... + 110298925.
It is an arithmetic number, because the mean of its divisors is an integer number (3258219495672).
It is a 1-persistent number, because it is pandigital, but 2⋅42761378067985 = 85522756135970 is not.
Almost surely, 242761378067985 is an apocalyptic number.
It is an amenable number.
42761378067985 is a deficient number, since it is larger than the sum of its proper divisors (9370133862767).
42761378067985 is a wasteful number, since it uses less digits than its factorization.
42761378067985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220210104.
The product of its (nonzero) digits is 853493760, while the sum is 73.
The spelling of 42761378067985 in words is "forty-two trillion, seven hundred sixty-one billion, three hundred seventy-eight million, sixty-seven thousand, nine hundred eighty-five".
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