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13144020324 = 2231897957713
BaseRepresentation
bin11000011110111000…
…11101010101100100
31020221000210102012120
430033130131111210
5203404332122244
610012133545540
7643502220651
oct141734352544
936830712176
1013144020324
115635503016
122669aa52b0
131316188c26
148c9938c28
1551ddee819
hex30f71d564

13144020324 has 24 divisors (see below), whose sum is σ = 30671528160. Its totient is φ = 4381033344.

The previous prime is 13144020293. The next prime is 13144020343. The reversal of 13144020324 is 42302044131.

It is a junction number, because it is equal to n+sod(n) for n = 13144020294 and 13144020303.

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, 198892 + ... + 256604.

It is an arithmetic number, because the mean of its divisors is an integer number (1277980340).

Almost surely, 213144020324 is an apocalyptic number.

It is an amenable number.

13144020324 is an abundant number, since it is smaller than the sum of its proper divisors (17527507836).

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

13144020324 is a wasteful number, since it uses less digits than its factorization.

13144020324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76699 (or 76697 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13144020324 its reverse (42302044131), we get a palindrome (55446064455).

The spelling of 13144020324 in words is "thirteen billion, one hundred forty-four million, twenty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 18979 37958 56937 57713 75916 113874 115426 173139 227748 230852 346278 692556 1095335027 2190670054 3286005081 4381340108 6572010162 13144020324