Base | Representation |
---|---|
bin | 11010000111001011010100… |
… | …10100100010101011001111 |
3 | 21112022102011021010221112200 |
4 | 31003211222110202223033 |
5 | 30011242110044100111 |
6 | 322042534045532543 |
7 | 15044354621661504 |
oct | 1503455224425317 |
9 | 245272137127480 |
10 | 57421201550031 |
11 | 17329216342100 |
12 | 6534744274153 |
13 | 2606a46c7c3c7 |
14 | 10272b56dd4ab |
15 | 6989cd218256 |
hex | 34396a522acf |
57421201550031 has 36 divisors (see below), whose sum is σ = 91169660249304. Its totient is φ = 34799851009440.
The previous prime is 57421201550021. The next prime is 57421201550047. The reversal of 57421201550031 is 13005510212475.
57421201550031 is a `hidden beast` number, since 5 + 74 + 2 + 1 + 2 + 0 + 1 + 550 + 0 + 31 = 666.
57421201550031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57421201550031 - 210 = 57421201549007 is a prime.
It is a super-2 number, since 2×574212015500312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57421201550021) 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 35 ways as a sum of consecutive naturals, for example, 43931956 + ... + 45220118.
Almost surely, 257421201550031 is an apocalyptic number.
57421201550031 is a deficient number, since it is larger than the sum of its proper divisors (33748458699273).
57421201550031 is a wasteful number, since it uses less digits than its factorization.
57421201550031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1329124 (or 1329110 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The spelling of 57421201550031 in words is "fifty-seven trillion, four hundred twenty-one billion, two hundred one million, five hundred fifty thousand, thirty-one".
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