Base | Representation |
---|---|
bin | 101000111100100… |
… | …0110001100001101 |
3 | 10112202021110202021 |
4 | 1101321012030031 |
5 | 10303211001221 |
6 | 344155530141 |
7 | 46022100451 |
oct | 12171061415 |
9 | 3482243667 |
10 | 1373922061 |
11 | 6455a7a86 |
12 | 324159951 |
13 | 18b84aa45 |
14 | d0684661 |
15 | 80943041 |
hex | 51e4630d |
1373922061 has 2 divisors, whose sum is σ = 1373922062. Its totient is φ = 1373922060.
The previous prime is 1373922059. The next prime is 1373922071. The reversal of 1373922061 is 1602293731.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1245666436 + 128255625 = 35294^2 + 11325^2 .
It is a cyclic number.
It is not a de Polignac number, because 1373922061 - 21 = 1373922059 is a prime.
Together with 1373922059, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1373922071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686961030 + 686961031.
It is an arithmetic number, because the mean of its divisors is an integer number (686961031).
Almost surely, 21373922061 is an apocalyptic number.
It is an amenable number.
1373922061 is a deficient number, since it is larger than the sum of its proper divisors (1).
1373922061 is an equidigital number, since it uses as much as digits as its factorization.
1373922061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 1373922061 is about 37066.4546591659. The cubic root of 1373922061 is about 1111.6993856955.
The spelling of 1373922061 in words is "one billion, three hundred seventy-three million, nine hundred twenty-two thousand, sixty-one".
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