Search a number
-
+
120043112985 = 3256181153923
BaseRepresentation
bin110111111001100100…
…0001000101000011001
3102110212000021222101200
41233303020020220121
53431322014103420
6131051432304413
711446531424145
oct1576310105031
9373760258350
10120043112985
1146a01231594
121b322242109
13b421100b03
145b4ad6a225
1531c8b6eb90
hex1bf3208a19

120043112985 has 48 divisors (see below), whose sum is σ = 211750488768. Its totient is φ = 62894620800.

The previous prime is 120043112939. The next prime is 120043112993. The reversal of 120043112985 is 589211340021.

120043112985 is a `hidden beast` number, since 1 + 20 + 0 + 431 + 129 + 85 = 666.

It is not a de Polignac number, because 120043112985 - 210 = 120043111961 is a prime.

It is a super-2 number, since 2×1200431129852 (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 2199234 + ... + 2253156.

It is an arithmetic number, because the mean of its divisors is an integer number (4411468516).

Almost surely, 2120043112985 is an apocalyptic number.

120043112985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120043112985 is a deficient number, since it is larger than the sum of its proper divisors (91707375783).

120043112985 is a wasteful number, since it uses less digits than its factorization.

120043112985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54806 (or 54803 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 120043112985 in words is "one hundred twenty billion, forty-three million, one hundred twelve thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 45 61 183 305 549 811 915 2433 2745 4055 7299 12165 36495 49471 53923 148413 161769 247355 269615 445239 485307 742065 808845 2226195 2426535 3289303 9867909 16446515 29603727 43731553 49339545 131194659 148018635 218657765 393583977 655973295 1967919885 2667624733 8002874199 13338123665 24008622597 40014370995 120043112985