Base | Representation |
---|---|
bin | 10001110001010011… |
… | …010010001000111110 |
3 | 1211020202210111210202 |
4 | 101301103102020332 |
5 | 303034132442010 |
6 | 12433210403502 |
7 | 1243560460445 |
oct | 216123221076 |
9 | 54222714722 |
10 | 19080749630 |
11 | 8101649678 |
12 | 3846130592 |
13 | 1a511010c7 |
14 | cd0197d5c |
15 | 76a1da6a5 |
hex | 4714d223e |
19080749630 has 24 divisors (see below), whose sum is σ = 35903560392. Its totient is φ = 7300458704.
The previous prime is 19080749603. The next prime is 19080749647. The reversal of 19080749630 is 3694708091.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1798184 + ... + 1808763.
It is an arithmetic number, because the mean of its divisors is an integer number (1495981683).
Almost surely, 219080749630 is an apocalyptic number.
19080749630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19080749630 is a deficient number, since it is larger than the sum of its proper divisors (16822810762).
19080749630 is a wasteful number, since it uses less digits than its factorization.
19080749630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3607000 (or 3606977 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 47.
The spelling of 19080749630 in words is "nineteen billion, eighty million, seven hundred forty-nine thousand, six hundred thirty".
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