Base | Representation |
---|---|
bin | 10010000101000100… |
… | …000001000000000000 |
3 | 1212002212122120212101 |
4 | 102011010001000000 |
5 | 304224021312314 |
6 | 12530132440144 |
7 | 1255024520200 |
oct | 220504010000 |
9 | 55085576771 |
10 | 19412291584 |
11 | 8261806a94 |
12 | 3919179054 |
13 | 1aa49c398a |
14 | d2221c400 |
15 | 78937a174 |
hex | 485101000 |
19412291584 has 117 divisors (see below), whose sum is σ = 45303446271. Its totient is φ = 8292802560.
The previous prime is 19412291579. The next prime is 19412291593. The reversal of 19412291584 is 48519221491.
The square root of 19412291584 is 139328.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
Its product of digits (207360) is a multiple of the sum of its prime divisors (320).
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62418789 + ... + 62419099.
Almost surely, 219412291584 is an apocalyptic number.
19412291584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
19412291584 is the 139328-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19412291584
19412291584 is an abundant number, since it is smaller than the sum of its proper divisors (25891154687).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19412291584 is an frugal number, since it uses more digits than its factorization.
19412291584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 660 (or 320 counting only the distinct ones).
The product of its digits is 207360, while the sum is 46.
The spelling of 19412291584 in words is "nineteen billion, four hundred twelve million, two hundred ninety-one thousand, five hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •