Search a number
213231004132 = 22197093957223
BaseRepresentation
bin1100011010010110001…
…1101110100111100100
3202101101102202100001111
43012211203232213210
511443144114113012
6241542412234404
721256030426036
oct3064543564744
9671342670044
10213231004132
1182481385463
12353aa76ba04
13171525121c3
14a46b3bdc56
15582ed06ba7
hex31a58ee9e4

213231004132 has 24 divisors (see below), whose sum is σ = 393348065600. Its totient is φ = 100861674336.

The previous prime is 213231004127. The next prime is 213231004141. The reversal of 213231004132 is 231400132312.

Adding to 213231004132 its reverse (231400132312), we get a palindrome (444631136444).

It is a super-2 number, since 2×2132310041322 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924728 + ... + 2032495.

Almost surely, 2213231004132 is an apocalyptic number.

It is an amenable number.

213231004132 is a deficient number, since it is larger than the sum of its proper divisors (180117061468).

213231004132 is a wasteful number, since it uses less digits than its factorization.

213231004132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957955 (or 3957953 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 213231004132 in words is "two hundred thirteen billion, two hundred thirty-one million, four thousand, one hundred thirty-two".