Base | Representation |
---|---|
bin | 10101011110000001010111… |
… | …00101110110110010010101 |
3 | 20012011022212120221012120001 |
4 | 22233000223211312302111 |
5 | 22142001123014033103 |
6 | 244224234530211301 |
7 | 12641611612405663 |
oct | 1257005345666225 |
9 | 205138776835501 |
10 | 47211011861653 |
11 | 14052094453222 |
12 | 5365988423b31 |
13 | 2045c96730913 |
14 | b9304d0adc33 |
15 | 56d1004c401d |
hex | 2af02b976c95 |
47211011861653 has 8 divisors (see below), whose sum is σ = 47233067356728. Its totient is φ = 47188961502144.
The previous prime is 47211011861603. The next prime is 47211011861669. The reversal of 47211011861653 is 35616811011274.
It can be written as a sum of positive squares in 4 ways, for example, as 11333571372369 + 35877440489284 = 3366537^2 + 5989778^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47211011861653 - 229 = 47210474990741 is a prime.
It is a super-2 number, since 2×472110118616532 (a number of 28 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 (47211011861603) 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, 17168175 + ... + 19727347.
It is an arithmetic number, because the mean of its divisors is an integer number (5904133419591).
Almost surely, 247211011861653 is an apocalyptic number.
It is an amenable number.
47211011861653 is a deficient number, since it is larger than the sum of its proper divisors (22055495075).
47211011861653 is a wasteful number, since it uses less digits than its factorization.
47211011861653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2567783.
The product of its (nonzero) digits is 241920, while the sum is 46.
The spelling of 47211011861653 in words is "forty-seven trillion, two hundred eleven billion, eleven million, eight hundred sixty-one thousand, six hundred fifty-three".
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