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189672191373 = 3759031530071
BaseRepresentation
bin1011000010100101010…
…1111111010110001101
3200010120120200122110210
42300221111333112031
511101422040110443
6223044553153033
716463153011530
oct2605125772615
9603516618423
10189672191373
1173492009775
12309149bb779
1314b69748502
1492745caa17
154e01912c33
hex2c2957f58d

189672191373 has 16 divisors (see below), whose sum is σ = 289073442816. Its totient is φ = 108365677680.

The previous prime is 189672191353. The next prime is 189672191377. The reversal of 189672191373 is 373191276981.

It is not a de Polignac number, because 189672191373 - 25 = 189672191341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189672191377) 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, 641073 + ... + 888998.

It is an arithmetic number, because the mean of its divisors is an integer number (18067090176).

Almost surely, 2189672191373 is an apocalyptic number.

It is an amenable number.

189672191373 is a deficient number, since it is larger than the sum of its proper divisors (99401251443).

189672191373 is a wasteful number, since it uses less digits than its factorization.

189672191373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535984.

The product of its digits is 3429216, while the sum is 57.

The spelling of 189672191373 in words is "one hundred eighty-nine billion, six hundred seventy-two million, one hundred ninety-one thousand, three hundred seventy-three".

Divisors: 1 3 7 21 5903 17709 41321 123963 1530071 4590213 10710497 32131491 9032009113 27096027339 63224063791 189672191373