Search a number
-
+
7938483912 = 2332317347813
BaseRepresentation
bin1110110010010101…
…11010011011001000
3202111020122202200200
413121022322123020
5112224222441122
63351421132200
7400502666652
oct73112723310
922436582620
107938483912
113404081507
1216566ba060
13996885078
145544536d2
15316de85ac
hex1d92ba6c8

7938483912 has 48 divisors (see below), whose sum is σ = 21567946140. Its totient is φ = 2637806208.

The previous prime is 7938483907. The next prime is 7938483923. The reversal of 7938483912 is 2193848397.

7938483912 is a `hidden beast` number, since 79 + 3 + 8 + 483 + 91 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7875852516 + 62631396 = 88746^2 + 7914^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151083 + ... + 196730.

Almost surely, 27938483912 is an apocalyptic number.

7938483912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7938483912 is an abundant number, since it is smaller than the sum of its proper divisors (13629462228).

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

7938483912 is a wasteful number, since it uses less digits than its factorization.

7938483912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348142 (or 348135 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 7938483912 is about 89098.1700822189. The cubic root of 7938483912 is about 1994.8604632276.

The spelling of 7938483912 in words is "seven billion, nine hundred thirty-eight million, four hundred eighty-three thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 317 634 951 1268 1902 2536 2853 3804 5706 7608 11412 22824 347813 695626 1043439 1391252 2086878 2782504 3130317 4173756 6260634 8347512 12521268 25042536 110256721 220513442 330770163 441026884 661540326 882053768 992310489 1323080652 1984620978 2646161304 3969241956 7938483912