Search a number
-
+
210031303132 = 2277501117969
BaseRepresentation
bin1100001110011011010…
…1110101100111011100
3202002010102221200110001
43003212311311213130
511420121003200012
6240253111424044
721113525422510
oct3034665654734
9662112850401
10210031303132
118108a216772
1234857085024
1316a626497c1
14a246472140
1556e3e67357
hex30e6d759dc

210031303132 has 12 divisors (see below), whose sum is σ = 420062606320. Its totient is φ = 90013415616.

The previous prime is 210031303021. The next prime is 210031303133. The reversal of 210031303132 is 231303130012.

210031303132 is an admirable number.

It is a super-2 number, since 2×2100313031322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210031303133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750558957 + ... + 3750559012.

Almost surely, 2210031303132 is an apocalyptic number.

It is an amenable number.

210031303132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210031303132 is a wasteful number, since it uses less digits than its factorization.

210031303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501117980 (or 7501117978 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 210031303132 its reverse (231303130012), we get a palindrome (441334433144).

The spelling of 210031303132 in words is "two hundred ten billion, thirty-one million, three hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 7501117969 15002235938 30004471876 52507825783 105015651566 210031303132