Search a number
-
+
13231240131324 = 22343199383333617
BaseRepresentation
bin1100000010001010001101…
…0111100011001011111100
31201211220010212121022111210
43000202203113203023330
53213240034433200244
644050203043044420
72533632315315435
oct300424327431374
951756125538453
1013231240131324
114241379130a46
121598377670710
1374c9152753a7
1433a57712a48c
1517e29554b4b9
hexc08a35e32fc

13231240131324 has 96 divisors (see below), whose sum is σ = 31758843916800. Its totient is φ = 4284952455168.

The previous prime is 13231240131313. The next prime is 13231240131337. The reversal of 13231240131324 is 42313104213231.

It is a junction number, because it is equal to n+sod(n) for n = 13231240131291 and 13231240131300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393570964 + ... + 393604580.

It is an arithmetic number, because the mean of its divisors is an integer number (330821290800).

Almost surely, 213231240131324 is an apocalyptic number.

It is an amenable number.

13231240131324 is an abundant number, since it is smaller than the sum of its proper divisors (18527603785476).

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

13231240131324 is a wasteful number, since it uses less digits than its factorization.

13231240131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37699 (or 37697 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13231240131324 its reverse (42313104213231), we get a palindrome (55544344344555).

The spelling of 13231240131324 in words is "thirteen trillion, two hundred thirty-one billion, two hundred forty million, one hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 43 86 129 172 199 258 398 516 597 796 1194 2388 3833 7666 8557 11499 15332 17114 22998 25671 33617 34228 45996 51342 67234 100851 102684 134468 164819 201702 329638 403404 494457 659276 762767 988914 1445531 1525534 1977828 2288301 2891062 3051068 4336593 4576602 5782124 6689783 8673186 9153204 13379566 17346372 20069349 26759132 32798981 40138698 65597962 80277396 98396943 128853961 131195924 196793886 257707922 287660669 386561883 393587772 515415844 575321338 773123766 862982007 1150642676 1546247532 1725964014 3451928028 5540720323 11081440646 16622160969 22162881292 25641938239 33244321938 51283876478 66488643876 76925814717 102567752956 153851629434 307703258868 1102603344277 2205206688554 3307810032831 4410413377108 6615620065662 13231240131324