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213351488093 is a prime number
BaseRepresentation
bin1100011010110010111…
…1010101101001011101
3202101200211110112222102
43012230233111221131
511443420440104333
6242002354454445
721262022504162
oct3065457255135
9671624415872
10213351488093
1182533397887
1235422b94425
13171714784a3
14a47d3c4069
15583a6a5ae8
hex31acbd5a5d

213351488093 has 2 divisors, whose sum is σ = 213351488094. Its totient is φ = 213351488092.

The previous prime is 213351488041. The next prime is 213351488099. The reversal of 213351488093 is 390884153312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108347622244 + 105003865849 = 329162^2 + 324043^2 .

It is a cyclic number.

It is not a de Polignac number, because 213351488093 - 26 = 213351488029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213351488099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106675744046 + 106675744047.

It is an arithmetic number, because the mean of its divisors is an integer number (106675744047).

Almost surely, 2213351488093 is an apocalyptic number.

It is an amenable number.

213351488093 is a deficient number, since it is larger than the sum of its proper divisors (1).

213351488093 is an equidigital number, since it uses as much as digits as its factorization.

213351488093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 213351488093 in words is "two hundred thirteen billion, three hundred fifty-one million, four hundred eighty-eight thousand, ninety-three".