Base | Representation |
---|---|
bin | 10010100110100011… |
… | …001010011101100010 |
3 | 1220120000210122220002 |
4 | 102212203022131202 |
5 | 311401332324210 |
6 | 13102002220002 |
7 | 1304656043033 |
oct | 224643123542 |
9 | 56500718802 |
10 | 19974104930 |
11 | 851a95273a |
12 | 3a55354602 |
13 | 1b6420c200 |
14 | d76aa4a8a |
15 | 7bd8534a5 |
hex | 4a68ca762 |
19974104930 has 48 divisors (see below), whose sum is σ = 39034690560. Its totient is φ = 7355559744.
The previous prime is 19974104929. The next prime is 19974104963. The reversal of 19974104930 is 3940147991.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631841 + ... + 662699.
It is an arithmetic number, because the mean of its divisors is an integer number (813222720).
Almost surely, 219974104930 is an apocalyptic number.
19974104930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19974104930 is a deficient number, since it is larger than the sum of its proper divisors (19060585630).
19974104930 is a wasteful number, since it uses less digits than its factorization.
19974104930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31275 (or 31262 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 47.
The spelling of 19974104930 in words is "nineteen billion, nine hundred seventy-four million, one hundred four thousand, nine hundred thirty".
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