Base | Representation |
---|---|
bin | 10010110110100001… |
… | …00110011010101111 |
3 | 222010100110201122001 |
4 | 21123100212122233 |
5 | 131211434403121 |
6 | 4352144233131 |
7 | 505544122162 |
oct | 113320463257 |
9 | 28110421561 |
10 | 10121012911 |
11 | 4324058889 |
12 | 1b6560b7a7 |
13 | c53aaa449 |
14 | 6c0263ad9 |
15 | 3e3813991 |
hex | 25b4266af |
10121012911 has 2 divisors, whose sum is σ = 10121012912. Its totient is φ = 10121012910.
The previous prime is 10121012903. The next prime is 10121012933. The reversal of 10121012911 is 11921012101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10121012911 - 23 = 10121012903 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10121015911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060506455 + 5060506456.
It is an arithmetic number, because the mean of its divisors is an integer number (5060506456).
Almost surely, 210121012911 is an apocalyptic number.
10121012911 is a deficient number, since it is larger than the sum of its proper divisors (1).
10121012911 is an equidigital number, since it uses as much as digits as its factorization.
10121012911 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 19.
The spelling of 10121012911 in words is "ten billion, one hundred twenty-one million, twelve thousand, nine hundred eleven".
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