Search a number
-
+
32123136161 = 1392937191097
BaseRepresentation
bin11101111010101100…
…000010100010100001
310001220201100101122202
4131322230002202201
51011242010324121
622431314142545
72215020103124
oct357254024241
9101821311582
1032123136161
1112694744716
126285b81a55
13304c1c399c
1417aa3d83bb
15c8021140b
hex77ab028a1

32123136161 has 16 divisors (see below), whose sum is σ = 32539449600. Its totient is φ = 31710050688.

The previous prime is 32123136109. The next prime is 32123136187. The reversal of 32123136161 is 16163132123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32123136161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32123130161) 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, 29282165 + ... + 29283261.

It is an arithmetic number, because the mean of its divisors is an integer number (2033715600).

Almost surely, 232123136161 is an apocalyptic number.

It is an amenable number.

32123136161 is a deficient number, since it is larger than the sum of its proper divisors (416313439).

32123136161 is a wasteful number, since it uses less digits than its factorization.

32123136161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its digits is 3888, while the sum is 29.

Adding to 32123136161 its reverse (16163132123), we get a palindrome (48286268284).

The spelling of 32123136161 in words is "thirty-two billion, one hundred twenty-three million, one hundred thirty-six thousand, one hundred sixty-one".

Divisors: 1 139 293 719 1097 40727 99941 152483 210667 321421 788743 29282713 44677519 109635277 231101699 32123136161