Search a number
-
+
12023203120 = 245379339623
BaseRepresentation
bin10110011001010001…
…11000010100110000
31011000220210000001021
423030220320110300
5144110414444440
65305014545224
7603642353215
oct131450702460
934026700037
1012023203120
11510a86a505
1223b6668214
131197bc9b96
14820b3bb0c
154a580584a
hex2cca38530

12023203120 has 40 divisors (see below), whose sum is σ = 27962022816. Its totient is φ = 4807891968.

The previous prime is 12023203111. The next prime is 12023203141. The reversal of 12023203120 is 2130232021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12023203094 and 12023203103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283629 + ... + 323251.

Almost surely, 212023203120 is an apocalyptic number.

12023203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023203120 is an abundant number, since it is smaller than the sum of its proper divisors (15938819696).

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

12023203120 is a wasteful number, since it uses less digits than its factorization.

12023203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43429 (or 43423 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12023203120 its reverse (2130232021), we get a palindrome (14153435141).

The spelling of 12023203120 in words is "twelve billion, twenty-three million, two hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3793 7586 15172 18965 30344 37930 39623 60688 75860 79246 151720 158492 198115 303440 316984 396230 633968 792460 1584920 3169840 150290039 300580078 601160156 751450195 1202320312 1502900390 2404640624 3005800780 6011601560 12023203120