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10302099221 is a prime number
BaseRepresentation
bin10011001100000110…
…11000111100010101
3222120222012212100102
421212003120330111
5132044314133341
64422133423445
7513203253461
oct114603307425
928528185312
1010302099221
1144072a2697
121bb619ab85
13c824718cb
146da3214a1
15404683c9b
hex2660d8f15

10302099221 has 2 divisors, whose sum is σ = 10302099222. Its totient is φ = 10302099220.

The previous prime is 10302099217. The next prime is 10302099251. The reversal of 10302099221 is 12299020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6939723025 + 3362376196 = 83305^2 + 57986^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302099221 - 22 = 10302099217 is a prime.

It is a super-2 number, since 2×103020992212 (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 (10302099251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151049610 + 5151049611.

It is an arithmetic number, because the mean of its divisors is an integer number (5151049611).

Almost surely, 210302099221 is an apocalyptic number.

It is an amenable number.

10302099221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302099221 is an equidigital number, since it uses as much as digits as its factorization.

10302099221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 10302099221 in words is "ten billion, three hundred two million, ninety-nine thousand, two hundred twenty-one".