Search a number
-
+
12030044432 = 247372903003
BaseRepresentation
bin10110011010000101…
…11110100100010000
31011001101122120120012
423031002332210100
5144114142410212
65305421334052
7604054455560
oct131502764420
934041576505
1012030044432
11511371248a
1223b8a07328
131199453ab3
148219dcda0
154a6207922
hex2cd0be910

12030044432 has 40 divisors (see below), whose sum is σ = 27357909696. Its totient is φ = 5016387456.

The previous prime is 12030044399. The next prime is 12030044437. The reversal of 12030044432 is 23444003021.

It is a junction number, because it is equal to n+sod(n) for n = 12030044398 and 12030044407.

It is not an unprimeable number, because it can be changed into a prime (12030044437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447358 + ... + 1455645.

Almost surely, 212030044432 is an apocalyptic number.

It is an amenable number.

12030044432 is an abundant number, since it is smaller than the sum of its proper divisors (15327865264).

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

12030044432 is a wasteful number, since it uses less digits than its factorization.

12030044432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903055 (or 2903049 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12030044432 its reverse (23444003021), we get a palindrome (35474047453).

The spelling of 12030044432 in words is "twelve billion, thirty million, forty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 37 56 74 112 148 259 296 518 592 1036 2072 4144 2903003 5806006 11612012 20321021 23224024 40642042 46448048 81284084 107411111 162568168 214822222 325136336 429644444 751877777 859288888 1503755554 1718577776 3007511108 6015022216 12030044432