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213033012101 = 71317223617521
BaseRepresentation
bin1100011001100111000…
…0011100101110000101
3202100212122012022001022
43012121300130232011
511442242422341401
6241511020440525
721251104503560
oct3063160345605
9670778168038
10213033012101
118238a644088
12353543a9145
13171204abb60
14a44cda14d7
15581c74771b
hex3199c1cb85

213033012101 has 32 divisors (see below), whose sum is σ = 278863054848. Its totient is φ = 157927034880.

The previous prime is 213033012037. The next prime is 213033012131. The reversal of 213033012101 is 101210330312.

It is a cyclic number.

It is not a de Polignac number, because 213033012101 - 26 = 213033012037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 213033012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213033012131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36221 + ... + 653741.

It is an arithmetic number, because the mean of its divisors is an integer number (8714470464).

Almost surely, 2213033012101 is an apocalyptic number.

It is an amenable number.

213033012101 is a deficient number, since it is larger than the sum of its proper divisors (65830042747).

213033012101 is a wasteful number, since it uses less digits than its factorization.

213033012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617781.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213033012101 its reverse (101210330312), we get a palindrome (314243342413).

The spelling of 213033012101 in words is "two hundred thirteen billion, thirty-three million, twelve thousand, one hundred one".

Divisors: 1 7 13 17 91 119 221 223 1547 1561 2899 3791 20293 26537 49283 344981 617521 4322647 8027773 10497857 56194411 73484999 136472141 137707183 955304987 963950281 1790193379 2341022111 12531353653 16387154777 30433287443 213033012101