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13044312430 = 2510318236947
BaseRepresentation
bin11000010011000000…
…00110100101101110
31020200002011201200121
430021200012211232
5203203320444210
65554212515154
7641151553252
oct141140064556
936602151617
1013044312430
1155941a0aa6
12264061baba
1312cb618386
148ba5c2262
155152a66da
hex30980696e

13044312430 has 32 divisors (see below), whose sum is σ = 23724140544. Its totient is φ = 5163489696.

The previous prime is 13044312377. The next prime is 13044312467. The reversal of 13044312430 is 3421344031.

It is a junction number, because it is equal to n+sod(n) for n = 13044312395 and 13044312404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874217 + ... + 1881163.

It is an arithmetic number, because the mean of its divisors is an integer number (741379392).

Almost surely, 213044312430 is an apocalyptic number.

13044312430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13044312430 is a deficient number, since it is larger than the sum of its proper divisors (10679828114).

13044312430 is a wasteful number, since it uses less digits than its factorization.

13044312430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13044312430 its reverse (3421344031), we get a palindrome (16465656461).

The spelling of 13044312430 in words is "thirteen billion, forty-four million, three hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 103 206 515 1030 1823 3646 6947 9115 13894 18230 34735 69470 187769 375538 715541 938845 1431082 1877690 3577705 7155410 12664381 25328762 63321905 126643810 1304431243 2608862486 6522156215 13044312430