Base | Representation |
---|---|
bin | 10010000010100101… |
… | …010110000111100101 |
3 | 1211222222101101002020 |
4 | 102002211112013211 |
5 | 304132344302224 |
6 | 12522045133353 |
7 | 1254011131554 |
oct | 220245260745 |
9 | 54888341066 |
10 | 19370697189 |
11 | 8240287558 |
12 | 390725a259 |
13 | 1a991bc4cc |
14 | d1a8b1d9b |
15 | 7858b0c79 |
hex | 4829561e5 |
19370697189 has 16 divisors (see below), whose sum is σ = 26470993920. Its totient is φ = 12592419840.
The previous prime is 19370697139. The next prime is 19370697197. The reversal of 19370697189 is 98179607391.
It is not a de Polignac number, because 19370697189 - 29 = 19370696677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19370697109) 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, 209052 + ... + 287130.
It is an arithmetic number, because the mean of its divisors is an integer number (1654437120).
Almost surely, 219370697189 is an apocalyptic number.
It is an amenable number.
19370697189 is a deficient number, since it is larger than the sum of its proper divisors (7100296731).
19370697189 is a wasteful number, since it uses less digits than its factorization.
19370697189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80140.
The product of its (nonzero) digits is 5143824, while the sum is 60.
The spelling of 19370697189 in words is "nineteen billion, three hundred seventy million, six hundred ninety-seven thousand, one hundred eighty-nine".
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