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12131024014 = 27976778633
BaseRepresentation
bin10110100110001000…
…01011110010001110
31011022102122212111201
423103010023302032
5144321020232024
65323425540114
7606422000644
oct132304136216
934272585451
1012131024014
11516571298a
1224267a463a
1311b434b425
148311a7194
154b0002744
hex2d310bc8e

12131024014 has 8 divisors (see below), whose sum is σ = 18426872160. Its totient is φ = 5988733296.

The previous prime is 12131023987. The next prime is 12131024027. The reversal of 12131024014 is 41042013121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12131023982 and 12131024000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38389159 + ... + 38389474.

It is an arithmetic number, because the mean of its divisors is an integer number (2303359020).

Almost surely, 212131024014 is an apocalyptic number.

12131024014 is a deficient number, since it is larger than the sum of its proper divisors (6295848146).

12131024014 is an equidigital number, since it uses as much as digits as its factorization.

12131024014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76778714.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12131024014 its reverse (41042013121), we get a palindrome (53173037135).

The spelling of 12131024014 in words is "twelve billion, one hundred thirty-one million, twenty-four thousand, fourteen".

Divisors: 1 2 79 158 76778633 153557266 6065512007 12131024014