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13144013740 = 22511134595809
BaseRepresentation
bin11000011110111000…
…11011101110101100
31020221000210002011201
430033130123232230
5203404331414430
610012133455244
7643502162524
oct141734335654
936830702151
1013144013740
1156354a9080
122669aa1524
131316185c30
148c9936684
1551ddec8ca
hex30f71bbac

13144013740 has 48 divisors (see below), whose sum is σ = 32428035360. Its totient is φ = 4411975680.

The previous prime is 13144013731. The next prime is 13144013747. The reversal of 13144013740 is 4731044131.

It is a junction number, because it is equal to n+sod(n) for n = 13144013699 and 13144013708.

It is not an unprimeable number, because it can be changed into a prime (13144013747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295045 + ... + 2300764.

It is an arithmetic number, because the mean of its divisors is an integer number (675584070).

Almost surely, 213144013740 is an apocalyptic number.

13144013740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144013740 is an abundant number, since it is smaller than the sum of its proper divisors (19284021620).

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

13144013740 is a wasteful number, since it uses less digits than its factorization.

13144013740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595842 (or 4595840 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 13144013740 its reverse (4731044131), we get a palindrome (17875057871).

The spelling of 13144013740 in words is "thirteen billion, one hundred forty-four million, thirteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 4595809 9191618 18383236 22979045 45958090 50553899 59745517 91916180 101107798 119491034 202215596 238982068 252769495 298727585 505538990 597455170 657200687 1011077980 1194910340 1314401374 2628802748 3286003435 6572006870 13144013740