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12023012310 = 235834828519
BaseRepresentation
bin10110011001010000…
…01001101111010110
31011000220102022022020
423030220021233112
5144110342343220
65305010514010
7603640630011
oct131450115726
934026368266
1012023012310
11510a74a111
1223b6595906
131197b6108a
14820acc378
154a57b9040
hex2cca09bd6

12023012310 has 32 divisors (see below), whose sum is σ = 29202888960. Its totient is φ = 3167507808.

The previous prime is 12023012269. The next prime is 12023012329. The reversal of 12023012310 is 1321032021.

12023012310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120230123102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12023012310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411770 + ... + 2416749.

It is an arithmetic number, because the mean of its divisors is an integer number (912590280).

Almost surely, 212023012310 is an apocalyptic number.

12023012310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12023012310 is an abundant number, since it is smaller than the sum of its proper divisors (17179876650).

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

12023012310 is a wasteful number, since it uses less digits than its factorization.

12023012310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828612.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12023012310 its reverse (1321032021), we get a palindrome (13344044331).

The spelling of 12023012310 in words is "twelve billion, twenty-three million, twelve thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 4828519 9657038 14485557 24142595 28971114 48285190 72427785 144855570 400767077 801534154 1202301231 2003835385 2404602462 4007670770 6011506155 12023012310