Search a number
-
+
32000213231 = 7191861129287
BaseRepresentation
bin11101110011010111…
…001000000011101111
310001121011001021002122
4131303113020003233
51011014023310411
622411203343155
72211665216210
oct356327100357
9101534037078
1032000213231
1112631316918
126250981abb
13302c8b551c
141797d5b407
15c7452e9db
hex7735c80ef

32000213231 has 16 divisors (see below), whose sum is σ = 38517480960. Its totient is φ = 25970971680.

The previous prime is 32000213227. The next prime is 32000213261. The reversal of 32000213231 is 13231200023.

It is a cyclic number.

It is not a de Polignac number, because 32000213231 - 22 = 32000213227 is a prime.

It is a super-2 number, since 2×320002132312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32000213221) 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, 182870 + ... + 312156.

It is an arithmetic number, because the mean of its divisors is an integer number (2407342560).

Almost surely, 232000213231 is an apocalyptic number.

32000213231 is a deficient number, since it is larger than the sum of its proper divisors (6517267729).

32000213231 is a wasteful number, since it uses less digits than its factorization.

32000213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131174.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32000213231 its reverse (13231200023), we get a palindrome (45231413254).

The spelling of 32000213231 in words is "thirty-two billion, two hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 7 19 133 1861 13027 35359 129287 247513 905009 2456453 17195171 240603107 1684221749 4571459033 32000213231