Base | Representation |
---|---|
bin | 11101000100000100100… |
… | …000100111010111100110 |
3 | 21001221012202212020011221 |
4 | 131010010200213113212 |
5 | 230210314233420431 |
6 | 4125303423050554 |
7 | 264203233141351 |
oct | 35040440472746 |
9 | 7057182766157 |
10 | 1997235451366 |
11 | 700028387551 |
12 | 2830b2140a5a |
13 | 11645289a48c |
14 | 6c949657298 |
15 | 36e45447111 |
hex | 1d1048275e6 |
1997235451366 has 4 divisors (see below), whose sum is σ = 2995853177052. Its totient is φ = 998617725682.
The previous prime is 1997235451363. The next prime is 1997235451373. The reversal of 1997235451366 is 6631545327991.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1997235451363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499308862840 + ... + 499308862843.
It is an arithmetic number, because the mean of its divisors is an integer number (748963294263).
Almost surely, 21997235451366 is an apocalyptic number.
1997235451366 is a deficient number, since it is larger than the sum of its proper divisors (998617725686).
1997235451366 is an equidigital number, since it uses as much as digits as its factorization.
1997235451366 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 998617725685.
The product of its digits is 36741600, while the sum is 61.
The spelling of 1997235451366 in words is "one trillion, nine hundred ninety-seven billion, two hundred thirty-five million, four hundred fifty-one thousand, three hundred sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •