Search a number
-
+
1130021272 = 23179789121
BaseRepresentation
bin100001101011010…
…1100000110011000
32220202100000202201
41003112230012120
54303241140042
6304044135544
740001010442
oct10326540630
92822300681
101130021272
1152a95a786
122765375b4
13150162553
14aa115492
15693161b7
hex435ac198

1130021272 has 16 divisors (see below), whose sum is σ = 2130629400. Its totient is φ = 561853440.

The previous prime is 1130021227. The next prime is 1130021273. The reversal of 1130021272 is 2721200311.

It is a super-3 number, since 3×11300212723 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130021273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393129 + ... + 395992.

Almost surely, 21130021272 is an apocalyptic number.

It is an amenable number.

1130021272 is a deficient number, since it is larger than the sum of its proper divisors (1000608128).

1130021272 is a wasteful number, since it uses less digits than its factorization.

1130021272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789306 (or 789302 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1130021272 is about 33615.7890283718. The cubic root of 1130021272 is about 1041.5869731060.

Adding to 1130021272 its reverse (2721200311), we get a palindrome (3851221583).

The spelling of 1130021272 in words is "one billion, one hundred thirty million, twenty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 179 358 716 1432 789121 1578242 3156484 6312968 141252659 282505318 565010636 1130021272