Search a number
-
+
1310312100444 = 223734493331381
BaseRepresentation
bin10011000100010100101…
…011111111001001011100
311122021010220101102200020
4103010110223333021130
5132432004344203234
62441540555432140
7163444520041224
oct23042453771134
94567126342606
101310312100444
11465778025956
12191b44a55650
139673c65b319
14475c2d51084
152413e3d2549
hex13114aff25c

1310312100444 has 48 divisors (see below), whose sum is σ = 3106180576800. Its totient is φ = 429827973120.

The previous prime is 1310312100431. The next prime is 1310312100499. The reversal of 1310312100444 is 4440012130131.

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, 1272367 + ... + 2059014.

It is an arithmetic number, because the mean of its divisors is an integer number (64712095350).

Almost surely, 21310312100444 is an apocalyptic number.

It is an amenable number.

1310312100444 is an abundant number, since it is smaller than the sum of its proper divisors (1795868476356).

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

1310312100444 is a wasteful number, since it uses less digits than its factorization.

1310312100444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331910 (or 3331908 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1310312100444 its reverse (4440012130131), we get a palindrome (5750324230575).

The spelling of 1310312100444 in words is "one trillion, three hundred ten billion, three hundred twelve million, one hundred thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 449 876 898 1347 1796 2694 5388 32777 65554 98331 131108 196662 393324 3331381 6662762 9994143 13325524 19988286 39976572 243190813 486381626 729572439 972763252 1459144878 1495790069 2918289756 2991580138 4487370207 5983160276 8974740414 17949480828 109192675037 218385350074 327578025111 436770700148 655156050222 1310312100444