Base | Representation |
---|---|
bin | 1001011001000101001… |
… | …0100000010110100011 |
3 | 120102110212000012101111 |
4 | 2112101102200112203 |
5 | 10120421420244004 |
6 | 202042423044151 |
7 | 14441302511221 |
oct | 2262122402643 |
9 | 512425005344 |
10 | 161351337379 |
11 | 62479694a11 |
12 | 273302a0657 |
13 | 122a520a93b |
14 | 7b49199b11 |
15 | 42e541da04 |
hex | 25914a05a3 |
161351337379 has 2 divisors, whose sum is σ = 161351337380. Its totient is φ = 161351337378.
The previous prime is 161351337377. The next prime is 161351337449. The reversal of 161351337379 is 973733153161.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 161351337379 - 21 = 161351337377 is a prime.
Together with 161351337377, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (161351337373) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80675668689 + 80675668690.
It is an arithmetic number, because the mean of its divisors is an integer number (80675668690).
Almost surely, 2161351337379 is an apocalyptic number.
161351337379 is a deficient number, since it is larger than the sum of its proper divisors (1).
161351337379 is an equidigital number, since it uses as much as digits as its factorization.
161351337379 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1071630, while the sum is 49.
The spelling of 161351337379 in words is "one hundred sixty-one billion, three hundred fifty-one million, three hundred thirty-seven thousand, three hundred seventy-nine".
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