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13144035040 = 255471747877
BaseRepresentation
bin11000011110111001…
…00000111011100000
31020221000211011101121
430033130200323200
5203404333110130
610012134142024
7643502311603
oct141734407340
936830734347
1013144035040
115635513084
122669ab1914
131316192836
148c994033a
1551de03d7a
hex30f720ee0

13144035040 has 48 divisors (see below), whose sum is σ = 31713498432. Its totient is φ = 5145746944.

The previous prime is 13144035029. The next prime is 13144035059. The reversal of 13144035040 is 4053044131.

It is a junction number, because it is equal to n+sod(n) for n = 13144034996 and 13144035014.

It is a congruent number.

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, 866419 + ... + 881458.

It is an arithmetic number, because the mean of its divisors is an integer number (660697884).

Almost surely, 213144035040 is an apocalyptic number.

13144035040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144035040 is an abundant number, since it is smaller than the sum of its proper divisors (18569463392).

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

13144035040 is a wasteful number, since it uses less digits than its factorization.

13144035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747939 (or 1747931 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13144035040 its reverse (4053044131), we get a palindrome (17197079171).

Subtracting from 13144035040 its reverse (4053044131), we obtain a palindrome (9090990909).

The spelling of 13144035040 in words is "thirteen billion, one hundred forty-four million, thirty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 376 470 752 940 1504 1880 3760 7520 1747877 3495754 6991508 8739385 13983016 17478770 27966032 34957540 55932064 69915080 82150219 139830160 164300438 279660320 328600876 410751095 657201752 821502190 1314403504 1643004380 2628807008 3286008760 6572017520 13144035040