Base | Representation |
---|---|
bin | 1000011100111101001… |
… | …0011011111000010111 |
3 | 111212211001022111001211 |
4 | 2013033102123320113 |
5 | 4334343134343041 |
6 | 150413113202251 |
7 | 13330323360031 |
oct | 2071722337027 |
9 | 455731274054 |
10 | 145211637271 |
11 | 56647202388 |
12 | 24187100387 |
13 | 10902520a2c |
14 | 7057860c51 |
15 | 3b9d530481 |
hex | 21cf49be17 |
145211637271 has 2 divisors, whose sum is σ = 145211637272. Its totient is φ = 145211637270.
The previous prime is 145211637257. The next prime is 145211637287. The reversal of 145211637271 is 172736112541.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145211637271 - 231 = 143064153623 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145211637371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72605818635 + 72605818636.
It is an arithmetic number, because the mean of its divisors is an integer number (72605818636).
Almost surely, 2145211637271 is an apocalyptic number.
145211637271 is a deficient number, since it is larger than the sum of its proper divisors (1).
145211637271 is an equidigital number, since it uses as much as digits as its factorization.
145211637271 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 70560, while the sum is 40.
The spelling of 145211637271 in words is "one hundred forty-five billion, two hundred eleven million, six hundred thirty-seven thousand, two hundred seventy-one".
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