Search a number
-
+
75134431912 = 23312103239397
BaseRepresentation
bin100010111111001011…
…1000111001010101000
321011221020200121100111
41011332113013022220
52212333403310122
654303303344104
75266621063621
oct1057627071250
9234836617314
1075134431912
1129956478831
121268a452034
1371150b4047
1438ca8aca48
151e4b26dd77
hex117e5c72a8

75134431912 has 96 divisors (see below), whose sum is σ = 147968121600. Its totient is φ = 35761461120.

The previous prime is 75134431907. The next prime is 75134431937. The reversal of 75134431912 is 21913443157.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189255298 + ... + 189255694.

It is an arithmetic number, because the mean of its divisors is an integer number (1541334600).

Almost surely, 275134431912 is an apocalyptic number.

It is an amenable number.

75134431912 is a deficient number, since it is larger than the sum of its proper divisors (72833689688).

75134431912 is a wasteful number, since it uses less digits than its factorization.

75134431912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 772 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 75134431912 in words is "seventy-five billion, one hundred thirty-four million, four hundred thirty-one thousand, nine hundred twelve".

Divisors: 1 2 4 8 31 62 103 124 206 239 248 397 412 478 794 824 956 961 1588 1912 1922 3176 3193 3844 6386 7409 7688 12307 12772 14818 24614 24617 25544 29636 40891 49228 49234 59272 81782 94883 98456 98468 98983 163564 189766 196936 197966 229679 327128 379532 381517 395932 459358 759064 763034 763127 791864 918716 1267621 1526068 1526254 1837432 2535242 2941373 3052136 3052508 5070484 5882746 6105016 9772949 10140968 11765492 19545898 23530984 23656937 39091796 39296251 47313874 78183592 78592502 91182563 94627748 157185004 182365126 189255496 302961419 314370008 364730252 605922838 729460504 1211845676 2423691352 9391803989 18783607978 37567215956 75134431912