Base | Representation |
---|---|
bin | 11110110110100110011… |
… | …011000110111010111011 |
3 | 21111200122011001102110002 |
4 | 132312212123012322323 |
5 | 234214143004013034 |
6 | 4302002251543215 |
7 | 306115543103546 |
oct | 36664633067273 |
9 | 7450564042402 |
10 | 2120211001019 |
11 | 7481a3922111 |
12 | 2a2ab245ab0b |
13 | 124c203880c7 |
14 | 74893c3d85d |
15 | 3a241761e7e |
hex | 1eda66c6ebb |
2120211001019 has 2 divisors, whose sum is σ = 2120211001020. Its totient is φ = 2120211001018.
The previous prime is 2120211000979. The next prime is 2120211001039. The reversal of 2120211001019 is 9101001120212.
It is an a-pointer prime, because the next prime (2120211001039) can be obtained adding 2120211001019 to its sum of digits (20).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2120211001019 - 224 = 2120194223803 is a prime.
It is a super-2 number, since 2×21202110010192 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2120211001039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105500509 + 1060105500510.
It is an arithmetic number, because the mean of its divisors is an integer number (1060105500510).
Almost surely, 22120211001019 is an apocalyptic number.
2120211001019 is a deficient number, since it is larger than the sum of its proper divisors (1).
2120211001019 is an equidigital number, since it uses as much as digits as its factorization.
2120211001019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 20.
The spelling of 2120211001019 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one thousand, nineteen".
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