Search a number
-
+
80213998652 = 22130031542221
BaseRepresentation
bin100101010110100100…
…0000111110000111100
321200001020210022221222
41022231020013300330
52303234240424102
6100503320212512
75536530511244
oct1125510076074
9250036708858
1080213998652
1131022790477
121366760a138
137744580a38
143c4d362b24
152147190aa2
hex12ad207c3c

80213998652 has 12 divisors (see below), whose sum is σ = 140385384216. Its totient is φ = 40103888880.

The previous prime is 80213998651. The next prime is 80213998679. The reversal of 80213998652 is 25689931208.

It is a junction number, because it is equal to n+sod(n) for n = 80213998594 and 80213998603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80213998651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 719099 + ... + 823122.

It is an arithmetic number, because the mean of its divisors is an integer number (11698782018).

Almost surely, 280213998652 is an apocalyptic number.

It is an amenable number.

80213998652 is a deficient number, since it is larger than the sum of its proper divisors (60171385564).

80213998652 is a wasteful number, since it uses less digits than its factorization.

80213998652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555228 (or 1555226 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 80213998652 in words is "eighty billion, two hundred thirteen million, nine hundred ninety-eight thousand, six hundred fifty-two".

Divisors: 1 2 4 13003 26006 52012 1542221 3084442 6168884 20053499663 40106999326 80213998652