Search a number
-
+
1119028212 = 2232106129297
BaseRepresentation
bin100001010110011…
…0000001111110100
32212222122112010100
41002230300033310
54242432400322
6303012354100
736505403631
oct10254601764
92788575110
101119028212
11524731505
12272915930
1314aab3993
14a8893188
1568393dac
hex42b303f4

1119028212 has 36 divisors (see below), whose sum is σ = 2831417316. Its totient is φ = 372645120.

The previous prime is 1119028151. The next prime is 1119028219. The reversal of 1119028212 is 2128209111.

It can be written as a sum of positive squares in 2 ways, for example, as 759774096 + 359254116 = 27564^2 + 18954^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119028219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23548 + ... + 52844.

It is an arithmetic number, because the mean of its divisors is an integer number (78650481).

Almost surely, 21119028212 is an apocalyptic number.

1119028212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1119028212 is an abundant number, since it is smaller than the sum of its proper divisors (1712389104).

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

1119028212 is a wasteful number, since it uses less digits than its factorization.

1119028212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30368 (or 30363 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1119028212 is about 33451.8790503613. The cubic root of 1119028212 is about 1038.1983761095.

The spelling of 1119028212 in words is "one billion, one hundred nineteen million, twenty-eight thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 1061 2122 3183 4244 6366 9549 12732 19098 29297 38196 58594 87891 117188 175782 263673 351564 527346 1054692 31084117 62168234 93252351 124336468 186504702 279757053 373009404 559514106 1119028212