Search a number
-
+
123100030132 = 2230775007533
BaseRepresentation
bin111001010100101010…
…1010110010010110100
3102202202001102110101021
41302221111112102310
54004102101431012
6132315032510524
711615350664062
oct1625125262264
9382661373337
10123100030132
114822a8376a2
121ba35b4b444
13b7ba523021
145d5ad4b032
153307208007
hex1ca95564b4

123100030132 has 6 divisors (see below), whose sum is σ = 215425052738. Its totient is φ = 61550015064.

The previous prime is 123100030099. The next prime is 123100030139. The reversal of 123100030132 is 231030001321.

It can be written as a sum of positive squares in only one way, i.e., 122000709796 + 1099320336 = 349286^2 + 33156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100030139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15387503763 + ... + 15387503770.

Almost surely, 2123100030132 is an apocalyptic number.

It is an amenable number.

123100030132 is a deficient number, since it is larger than the sum of its proper divisors (92325022606).

123100030132 is a wasteful number, since it uses less digits than its factorization.

123100030132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775007537 (or 30775007535 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123100030132 its reverse (231030001321), we get a palindrome (354130031453).

The spelling of 123100030132 in words is "one hundred twenty-three billion, one hundred million, thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 30775007533 61550015066 123100030132