Search a number
-
+
123102302132 = 22139921998267
BaseRepresentation
bin111001010100101111…
…0000000111110110100
3102202202012200212222102
41302221132000332310
54004103142132012
6132315153321232
711615406206015
oct1625136007664
9382665625872
10123102302132
1148231049687
121ba36866218
13b7bab3a1c4
145d5b37d00c
1533075062c2
hex1ca9780fb4

123102302132 has 12 divisors (see below), whose sum is σ = 215583026400. Its totient is φ = 61507151736.

The previous prime is 123102302077. The next prime is 123102302137. The reversal of 123102302132 is 231203201321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102302137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993538 + ... + 11004729.

It is an arithmetic number, because the mean of its divisors is an integer number (17965252200).

Almost surely, 2123102302132 is an apocalyptic number.

It is an amenable number.

123102302132 is a deficient number, since it is larger than the sum of its proper divisors (92480724268).

123102302132 is a wasteful number, since it uses less digits than its factorization.

123102302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21999670 (or 21999668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123102302132 its reverse (231203201321), we get a palindrome (354305503453).

The spelling of 123102302132 in words is "one hundred twenty-three billion, one hundred two million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 1399 2798 5596 21998267 43996534 87993068 30775575533 61551151066 123102302132