Base | Representation |
---|---|
bin | 1100011001100001100… |
… | …0101101011101011101 |
3 | 202100211000220202211121 |
4 | 3012120120231131131 |
5 | 11442221030340442 |
6 | 241504435450541 |
7 | 21250405141066 |
oct | 3063030553535 |
9 | 670730822747 |
10 | 213010011997 |
11 | 82378664832 |
12 | 35348756a51 |
13 | 171187b8023 |
14 | a449cd556d |
15 | 581a702967 |
hex | 319862d75d |
213010011997 has 8 divisors (see below), whose sum is σ = 224274522560. Its totient is φ = 201750847200.
The previous prime is 213010011989. The next prime is 213010012009. The reversal of 213010011997 is 799110010312.
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 213010011997 - 23 = 213010011989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213040011997) 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, 1254513 + ... + 1414150.
It is an arithmetic number, because the mean of its divisors is an integer number (28034315320).
Almost surely, 2213010011997 is an apocalyptic number.
It is an amenable number.
213010011997 is a deficient number, since it is larger than the sum of its proper divisors (11264510563).
213010011997 is a wasteful number, since it uses less digits than its factorization.
213010011997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2672883.
The product of its (nonzero) digits is 3402, while the sum is 34.
The spelling of 213010011997 in words is "two hundred thirteen billion, ten million, eleven thousand, nine hundred ninety-seven".
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