Search a number
-
+
120211019999 = 761799073929
BaseRepresentation
bin110111111110100100…
…0101001100011011111
3102111021201020112111222
41233331020221203133
53432143010114444
6131120231203555
711453640545030
oct1577510514337
9374251215458
10120211019999
1146a87a94614
121b36a5165bb
13b449b2c585
145b65396a87
1531d8789eee
hex1bfd2298df

120211019999 has 32 divisors (see below), whose sum is σ = 141595699200. Its totient is φ = 99930205440.

The previous prime is 120211019963. The next prime is 120211020011. The reversal of 120211019999 is 999910112021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120211019999 is a prime.

It is a super-3 number, since 3×1202110199993 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211019099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30593867 + ... + 30597795.

It is an arithmetic number, because the mean of its divisors is an integer number (4424865600).

Almost surely, 2120211019999 is an apocalyptic number.

120211019999 is a deficient number, since it is larger than the sum of its proper divisors (21384679201).

120211019999 is an equidigital number, since it uses as much as digits as its factorization.

120211019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 120211019999 in words is "one hundred twenty billion, two hundred eleven million, nineteen thousand, nine hundred ninety-nine".

Divisors: 1 7 61 79 427 553 907 3929 4819 6349 27503 33733 55327 71653 239669 310391 387289 501571 1677683 2172737 3563603 4370833 18933851 24945221 30595831 132536957 217379783 281524637 1521658481 1970672459 17173002857 120211019999