Base | Representation |
---|---|
bin | 100111011000110001… |
… | …111111001000010010 |
3 | 11001011101021100101010 |
4 | 213120301333020102 |
5 | 1143103133003304 |
6 | 31232321351350 |
7 | 3025012262535 |
oct | 473061771022 |
9 | 131141240333 |
10 | 42291687954 |
11 | 16a3261212a |
12 | 8243498556 |
13 | 3cacaa7239 |
14 | 2092ab4a1c |
15 | 1177cb5789 |
hex | 9d8c7f212 |
42291687954 has 16 divisors (see below), whose sum is σ = 84585483360. Its totient is φ = 14096878080.
The previous prime is 42291687953. The next prime is 42291687973. The reversal of 42291687954 is 45978619224.
42291687954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×422916879542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42291687894 and 42291687903.
It is not an unprimeable number, because it can be changed into a prime (42291687953) 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, 315717 + ... + 429255.
It is an arithmetic number, because the mean of its divisors is an integer number (5286592710).
Almost surely, 242291687954 is an apocalyptic number.
42291687954 is an abundant number, since it is smaller than the sum of its proper divisors (42293795406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42291687954 is a wasteful number, since it uses less digits than its factorization.
42291687954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175625.
The product of its digits is 8709120, while the sum is 57.
The spelling of 42291687954 in words is "forty-two billion, two hundred ninety-one million, six hundred eighty-seven thousand, nine hundred fifty-four".
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