Base | Representation |
---|---|
bin | 100001001011010100… |
… | …1001101111101011001 |
3 | 20210220022112201000210 |
4 | 1002112221031331121 |
5 | 2131403144123332 |
6 | 52421431321333 |
7 | 5101364232204 |
oct | 1022651157531 |
9 | 223808481023 |
10 | 71246864217 |
11 | 28240aa7671 |
12 | 11984520249 |
13 | 6945869b29 |
14 | 363c46493b |
15 | 1cbed06ecc |
hex | 1096a4df59 |
71246864217 has 8 divisors (see below), whose sum is σ = 97205024224. Its totient is φ = 46393306848.
The previous prime is 71246864203. The next prime is 71246864279.
71246864217 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71246864217 - 24 = 71246864201 is a prime.
It is a super-2 number, since 2×712468642172 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71246864317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276150508 + ... + 276150765.
It is an arithmetic number, because the mean of its divisors is an integer number (12150628028).
Almost surely, 271246864217 is an apocalyptic number.
It is an amenable number.
71246864217 is a deficient number, since it is larger than the sum of its proper divisors (25958160007).
71246864217 is a wasteful number, since it uses less digits than its factorization.
71246864217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552301319.
The product of its digits is 903168, while the sum is 48.
The spelling of 71246864217 in words is "seventy-one billion, two hundred forty-six million, eight hundred sixty-four thousand, two hundred seventeen".
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