Base | Representation |
---|---|
bin | 10010111101101101… |
… | …001011101101101111 |
3 | 1221120002211122012002 |
4 | 102331231023231233 |
5 | 313200311414341 |
6 | 13204321202515 |
7 | 1320414210353 |
oct | 227555135557 |
9 | 57502748162 |
10 | 20362607471 |
11 | 86aa185418 |
12 | 3b4349043b |
13 | 1bc685647b |
14 | db2515463 |
15 | 7e29e529b |
hex | 4bdb4bb6f |
20362607471 has 4 divisors (see below), whose sum is σ = 20363413200. Its totient is φ = 20361801744.
The previous prime is 20362607399. The next prime is 20362607513. The reversal of 20362607471 is 17470626302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17470626302 = 2 ⋅8735313151.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20362607471 is a prime.
It is a super-3 number, since 3×203626074713 (a number of 32 digits) contains 333 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 (20362609471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363686 + ... + 415923.
It is an arithmetic number, because the mean of its divisors is an integer number (5090853300).
Almost surely, 220362607471 is an apocalyptic number.
20362607471 is a deficient number, since it is larger than the sum of its proper divisors (805729).
20362607471 is an equidigital number, since it uses as much as digits as its factorization.
20362607471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805728.
The product of its (nonzero) digits is 84672, while the sum is 38.
The spelling of 20362607471 in words is "twenty billion, three hundred sixty-two million, six hundred seven thousand, four hundred seventy-one".
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