Base | Representation |
---|---|
bin | 100111011000110001… |
… | …111001111100011111 |
3 | 11001011101020021020122 |
4 | 213120301321330133 |
5 | 1143103131313334 |
6 | 31232321105155 |
7 | 3025012143611 |
oct | 473061717437 |
9 | 131141207218 |
10 | 42291666719 |
11 | 16a325a8185 |
12 | 82434881bb |
13 | 3caca9a683 |
14 | 2092aaadb1 |
15 | 1177cae32e |
hex | 9d8c79f1f |
42291666719 has 8 divisors (see below), whose sum is σ = 43280054400. Its totient is φ = 41303500056.
The previous prime is 42291666709. The next prime is 42291666731. The reversal of 42291666719 is 91766619224.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42291666719 is a prime.
It is a super-2 number, since 2×422916667192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42291666709) 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, 369632 + ... + 470330.
It is an arithmetic number, because the mean of its divisors is an integer number (5410006800).
Almost surely, 242291666719 is an apocalyptic number.
42291666719 is a deficient number, since it is larger than the sum of its proper divisors (988387681).
42291666719 is a wasteful number, since it uses less digits than its factorization.
42291666719 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110509.
The product of its digits is 1959552, while the sum is 53.
The spelling of 42291666719 in words is "forty-two billion, two hundred ninety-one million, six hundred sixty-six thousand, seven hundred nineteen".
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