Base | Representation |
---|---|
bin | 1000110011111001010101… |
… | …01011110101000001110000 |
3 | 2112121021001220210122011020 |
4 | 10121330222223311001300 |
5 | 10014421120240322340 |
6 | 105112521324415440 |
7 | 4036551222203643 |
oct | 431745253650160 |
9 | 75537056718136 |
10 | 19375313604720 |
11 | 61a002a464377 |
12 | 220b0953a7580 |
13 | aa71130a2358 |
14 | 4adaad545a5a |
15 | 238ee2b409d0 |
hex | 119f2aaf5070 |
19375313604720 has 80 divisors (see below), whose sum is σ = 60165795392640. Its totient is φ = 5157948297472.
The previous prime is 19375313604719. The next prime is 19375313604721. The reversal of 19375313604720 is 2740631357391.
It is an interprime number because it is at equal distance from previous prime (19375313604719) and next prime (19375313604721).
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19375313604721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68624430 + ... + 68906189.
It is an arithmetic number, because the mean of its divisors is an integer number (752072442408).
Almost surely, 219375313604720 is an apocalyptic number.
19375313604720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19375313604720 is an abundant number, since it is smaller than the sum of its proper divisors (40790481787920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19375313604720 is a wasteful number, since it uses less digits than its factorization.
19375313604720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137531222 (or 137531216 counting only the distinct ones).
The product of its (nonzero) digits is 2857680, while the sum is 51.
The spelling of 19375313604720 in words is "nineteen trillion, three hundred seventy-five billion, three hundred thirteen million, six hundred four thousand, seven hundred twenty".
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