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106210813 is a prime number
BaseRepresentation
bin1100101010010…
…10010111111101
321101212001211211
412111022113331
5204142221223
614312244421
72426530342
oct625122775
9241761754
10106210813
1154a53835
122b6a0711
1319009747
141016a7c9
1594ced0d
hex654a5fd

106210813 has 2 divisors, whose sum is σ = 106210814. Its totient is φ = 106210812.

The previous prime is 106210807. The next prime is 106210837. The reversal of 106210813 is 318012601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59397849 + 46812964 = 7707^2 + 6842^2 .

It is a cyclic number.

It is not a de Polignac number, because 106210813 - 217 = 106079741 is a prime.

It is a super-2 number, since 2×1062108132 = 22561473596241938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106210843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53105406 + 53105407.

It is an arithmetic number, because the mean of its divisors is an integer number (53105407).

Almost surely, 2106210813 is an apocalyptic number.

It is an amenable number.

106210813 is a deficient number, since it is larger than the sum of its proper divisors (1).

106210813 is an equidigital number, since it uses as much as digits as its factorization.

106210813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 106210813 is about 10305.8630400370. The cubic root of 106210813 is about 473.5758830401.

The spelling of 106210813 in words is "one hundred six million, two hundred ten thousand, eight hundred thirteen".