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13031324430 = 2352392936203
BaseRepresentation
bin11000010001011101…
…00011101100001110
31020122011201212111120
430020232203230032
5203142004340210
65553030301410
7640633300335
oct141056435416
936564655446
1013031324430
11558792aa13
1226381b7866
1312c8a1b777
148b89a0d1c
1551408d270
hex308ba3b0e

13031324430 has 64 divisors (see below), whose sum is σ = 31518305280. Its totient is φ = 3448113536.

The previous prime is 13031324407. The next prime is 13031324431. The reversal of 13031324430 is 3442313031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13031324430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031324431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2097709 + ... + 2103911.

It is an arithmetic number, because the mean of its divisors is an integer number (492473520).

Almost surely, 213031324430 is an apocalyptic number.

13031324430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031324430 is an abundant number, since it is smaller than the sum of its proper divisors (18486980850).

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

13031324430 is a wasteful number, since it uses less digits than its factorization.

13031324430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13031324430 its reverse (3442313031), we get a palindrome (16473637461).

The spelling of 13031324430 in words is "thirteen billion, thirty-one million, three hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 239 293 478 586 717 879 1195 1434 1465 1758 2390 2930 3585 4395 6203 7170 8790 12406 18609 31015 37218 62030 70027 93045 140054 186090 210081 350135 420162 700270 1050405 1482517 1817479 2100810 2965034 3634958 4447551 5452437 7412585 8895102 9087395 10904874 14825170 18174790 22237755 27262185 44475510 54524370 434377481 868754962 1303132443 2171887405 2606264886 4343774810 6515662215 13031324430