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189087384079 = 1117996032191
BaseRepresentation
bin1011000000011001111…
…1001000001000001111
3200002001211021100200101
42300012133020020033
511044222332242304
6222510542511531
716442522150146
oct2600637101017
9602054240611
10189087384079
1173211998360
1230790b955a7
1314aa553bba9
14921aa7a75d
154dba3e68a4
hex2c067c820f

189087384079 has 8 divisors (see below), whose sum is σ = 207429534720. Its totient is φ = 170937298200.

The previous prime is 189087384029. The next prime is 189087384091. The reversal of 189087384079 is 970483780981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189087384079 - 29 = 189087383567 is a prime.

It is a super-3 number, since 3×1890873840793 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189087384079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189087384019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48014127 + ... + 48018064.

It is an arithmetic number, because the mean of its divisors is an integer number (25928691840).

Almost surely, 2189087384079 is an apocalyptic number.

189087384079 is a deficient number, since it is larger than the sum of its proper divisors (18342150641).

189087384079 is a wasteful number, since it uses less digits than its factorization.

189087384079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96032381.

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 189087384079 in words is "one hundred eighty-nine billion, eighty-seven million, three hundred eighty-four thousand, seventy-nine".

Divisors: 1 11 179 1969 96032191 1056354101 17189762189 189087384079