Base | Representation |
---|---|
bin | 100100111001011101101… |
… | …1010011100011000101001 |
3 | 122221210200001011111020211 |
4 | 1021302323122130120221 |
5 | 1131041312123240211 |
6 | 14441402453221121 |
7 | 1032245130026620 |
oct | 111627332343051 |
9 | 18853601144224 |
10 | 5071205680681 |
11 | 1685760445348 |
12 | 69aa006317a1 |
13 | 2aa29c24192a |
14 | 13763a56a6b7 |
15 | 8bda8ae0e21 |
hex | 49cbb69c629 |
5071205680681 has 4 divisors (see below), whose sum is σ = 5795663635072. Its totient is φ = 4346747726292.
The previous prime is 5071205680633. The next prime is 5071205680813. The reversal of 5071205680681 is 1860865021705.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 5071205680681 - 211 = 5071205678633 is a prime.
It is a super-2 number, since 2×50712056806812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5071205680621) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362228977185 + ... + 362228977198.
It is an arithmetic number, because the mean of its divisors is an integer number (1448915908768).
Almost surely, 25071205680681 is an apocalyptic number.
It is an amenable number.
5071205680681 is a deficient number, since it is larger than the sum of its proper divisors (724457954391).
5071205680681 is an equidigital number, since it uses as much as digits as its factorization.
5071205680681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724457954390.
The product of its (nonzero) digits is 806400, while the sum is 49.
The spelling of 5071205680681 in words is "five trillion, seventy-one billion, two hundred five million, six hundred eighty thousand, six hundred eighty-one".
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