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213010011997 = 1942012668663
BaseRepresentation
bin1100011001100001100…
…0101101011101011101
3202100211000220202211121
43012120120231131131
511442221030340442
6241504435450541
721250405141066
oct3063030553535
9670730822747
10213010011997
1182378664832
1235348756a51
13171187b8023
14a449cd556d
15581a702967
hex319862d75d

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".

Divisors: 1 19 4201 79819 2668663 50704597 11211053263 213010011997