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10668246157 is a prime number
BaseRepresentation
bin10011110111110000…
…01000010010001101
31000112111012001112001
421323320020102031
5133322032334112
64522333312301
7525240411322
oct117370102215
930474161461
1010668246157
114584a46268
122098935691
13101028c4ba
14732bd2b49
154268abc57
hex27be0848d

10668246157 has 2 divisors, whose sum is σ = 10668246158. Its totient is φ = 10668246156.

The previous prime is 10668246131. The next prime is 10668246161. The reversal of 10668246157 is 75164286601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9033742116 + 1634504041 = 95046^2 + 40429^2 .

It is an emirp because it is prime and its reverse (75164286601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10668246157 - 227 = 10534028429 is a prime.

It is a super-2 number, since 2×106682461572 (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 (10668246257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5334123078 + 5334123079.

It is an arithmetic number, because the mean of its divisors is an integer number (5334123079).

Almost surely, 210668246157 is an apocalyptic number.

It is an amenable number.

10668246157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10668246157 is an equidigital number, since it uses as much as digits as its factorization.

10668246157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 10668246157 in words is "ten billion, six hundred sixty-eight million, two hundred forty-six thousand, one hundred fifty-seven".