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19370697189 = 341201778079
BaseRepresentation
bin10010000010100101…
…010110000111100101
31211222222101101002020
4102002211112013211
5304132344302224
612522045133353
71254011131554
oct220245260745
954888341066
1019370697189
118240287558
12390725a259
131a991bc4cc
14d1a8b1d9b
157858b0c79
hex4829561e5

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".

Divisors: 1 3 41 123 2017 6051 78079 82697 234237 248091 3201239 9603717 157485343 472456029 6456899063 19370697189