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213201030103 = 787270903469
BaseRepresentation
bin1100011010001111000…
…1011000101111010111
3202101022100100111102021
43012203301120233113
511443113430430403
6241535421554011
721255214566145
oct3064361305727
9671270314367
10213201030103
1182466472536
12353a0715907
1317149248ca9
14a46741a595
15582c3858bd
hex31a3c58bd7

213201030103 has 4 divisors (see below), whose sum is σ = 213471934360. Its totient is φ = 212930125848.

The previous prime is 213201030089. The next prime is 213201030193. The reversal of 213201030103 is 301030102312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213201030103 - 233 = 204611095511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201030193) 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, 135450948 + ... + 135452521.

It is an arithmetic number, because the mean of its divisors is an integer number (53367983590).

Almost surely, 2213201030103 is an apocalyptic number.

213201030103 is a deficient number, since it is larger than the sum of its proper divisors (270904257).

213201030103 is an equidigital number, since it uses as much as digits as its factorization.

213201030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270904256.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213201030103 its reverse (301030102312), we get a palindrome (514231132415).

The spelling of 213201030103 in words is "two hundred thirteen billion, two hundred one million, thirty thousand, one hundred three".

Divisors: 1 787 270903469 213201030103