Search a number
-
+
3011203421 = 17279131891
BaseRepresentation
bin1011001101111011…
…0101000101011101
321202212002222112122
42303132311011131
522131332002141
61214444312325
7134422543502
oct26336650535
97685088478
103011203421
111305822776
127005426a5
1338cb07a95
14207cc14a9
1512955864b
hexb37b515d

3011203421 has 12 divisors (see below), whose sum is σ = 3239267520. Its totient is φ = 2798178240.

The previous prime is 3011203411. The next prime is 3011203439. The reversal of 3011203421 is 1243021103.

It is a de Polignac number, because none of the positive numbers 2k-3011203421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3011203421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011203411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 43115 + ... + 88776.

It is an arithmetic number, because the mean of its divisors is an integer number (269938960).

Almost surely, 23011203421 is an apocalyptic number.

It is an amenable number.

3011203421 is a deficient number, since it is larger than the sum of its proper divisors (228064099).

3011203421 is a wasteful number, since it uses less digits than its factorization.

3011203421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132004 (or 131987 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3011203421 is about 54874.4332180297. The cubic root of 3011203421 is about 1444.0426877201.

Adding to 3011203421 its reverse (1243021103), we get a palindrome (4254224524).

The spelling of 3011203421 in words is "three billion, eleven million, two hundred three thousand, four hundred twenty-one".

Divisors: 1 17 79 289 1343 22831 131891 2242147 10419389 38116499 177129613 3011203421