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10220023181 is a prime number
BaseRepresentation
bin10011000010010100…
…10010110110001101
3222101020202222012002
421201022102312031
5131412311220211
64410042322045
7511155522644
oct114112226615
928336688162
1010220023181
114374a33755
121b927b9325
13c6b4655c4
146cd47835b
153ec37003b
hex261292d8d

10220023181 has 2 divisors, whose sum is σ = 10220023182. Its totient is φ = 10220023180.

The previous prime is 10220023097. The next prime is 10220023199. The reversal of 10220023181 is 18132002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9934108900 + 285914281 = 99670^2 + 16909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10220023181 is a prime.

It is a super-2 number, since 2×102200231812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220025181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110011590 + 5110011591.

It is an arithmetic number, because the mean of its divisors is an integer number (5110011591).

Almost surely, 210220023181 is an apocalyptic number.

It is an amenable number.

10220023181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220023181 is an equidigital number, since it uses as much as digits as its factorization.

10220023181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10220023181 its reverse (18132002201), we get a palindrome (28352025382).

The spelling of 10220023181 in words is "ten billion, two hundred twenty million, twenty-three thousand, one hundred eighty-one".