Search a number
-
+
12145041132 = 22371011431523
BaseRepresentation
bin10110100111110011…
…01001111011101100
31011100102001000101020
423103321221323230
5144333112304012
65325050214140
7606652101120
oct132371517354
934312030336
1012145041132
115172617184
12242b424350
1311b7218593
14832db5580
154b1370a8c
hex2d3e69eec

12145041132 has 48 divisors (see below), whose sum is σ = 32707460352. Its totient is φ = 3435652800.

The previous prime is 12145041127. The next prime is 12145041143. The reversal of 12145041132 is 23114054121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707278 + ... + 724245.

It is an arithmetic number, because the mean of its divisors is an integer number (681405424).

Almost surely, 212145041132 is an apocalyptic number.

12145041132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12145041132 is an abundant number, since it is smaller than the sum of its proper divisors (20562419220).

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

12145041132 is a wasteful number, since it uses less digits than its factorization.

12145041132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431638 (or 1431636 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 12145041132 its reverse (23114054121), we get a palindrome (35259095253).

The spelling of 12145041132 in words is "twelve billion, one hundred forty-five million, forty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 707 1212 1414 2121 2828 4242 8484 1431523 2863046 4294569 5726092 8589138 10020661 17178276 20041322 30061983 40082644 60123966 120247932 144583823 289167646 433751469 578335292 867502938 1012086761 1735005876 2024173522 3036260283 4048347044 6072520566 12145041132