Base | Representation |
---|---|
bin | 111110101111100111… |
… | …011111011001110001 |
3 | 20102220012012000200101 |
4 | 332233213133121301 |
5 | 2100433420440411 |
6 | 50541051352401 |
7 | 4603340661451 |
oct | 765747373161 |
9 | 212805160611 |
10 | 67370874481 |
11 | 26632114169 |
12 | 11082452701 |
13 | 6478847791 |
14 | 3391791d61 |
15 | 1b448ca8c1 |
hex | faf9df671 |
67370874481 has 15 divisors (see below), whose sum is σ = 71212716041. Its totient is φ = 63736269804.
The previous prime is 67370874469. The next prime is 67370874533. The reversal of 67370874481 is 18447807376.
The square root of 67370874481 is 259559.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 67370874481 - 211 = 67370872433 is a prime.
It is a super-2 number, since 2×673708744812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67370874401) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 93700440 + ... + 93701158.
Almost surely, 267370874481 is an apocalyptic number.
67370874481 is the 259559-th square number.
67370874481 is the 129780-th centered octagonal number.
It is an amenable number.
67370874481 is a deficient number, since it is larger than the sum of its proper divisors (3841841560).
67370874481 is an frugal number, since it uses more digits than its factorization.
67370874481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1514 (or 738 counting only the distinct ones).
The product of its (nonzero) digits is 6322176, while the sum is 55.
The spelling of 67370874481 in words is "sixty-seven billion, three hundred seventy million, eight hundred seventy-four thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •