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10121106913 is a prime number
BaseRepresentation
bin10010110110100001…
…11101010111100001
3222010100122111120121
421123100331113201
5131212000410123
64352150240241
7505544663221
oct113320752741
928110574517
1010121106913
114324112475
121b65656081
13c53b11178
146c028a081
153e383175d
hex25b43d5e1

10121106913 has 2 divisors, whose sum is σ = 10121106914. Its totient is φ = 10121106912.

The previous prime is 10121106907. The next prime is 10121106917. The reversal of 10121106913 is 31960112101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10105677729 + 15429184 = 100527^2 + 3928^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121106913 - 229 = 9584236001 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121106917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060553456 + 5060553457.

It is an arithmetic number, because the mean of its divisors is an integer number (5060553457).

Almost surely, 210121106913 is an apocalyptic number.

It is an amenable number.

10121106913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121106913 is an equidigital number, since it uses as much as digits as its factorization.

10121106913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 10121106913 in words is "ten billion, one hundred twenty-one million, one hundred six thousand, nine hundred thirteen".