Search a number
-
+
2013203268 = 223318640771
BaseRepresentation
bin111011111111111…
…0000101101000100
312012022012022201000
41313333300231010
513110340001033
6531433533300
7100613642166
oct16777605504
95168168630
102013203268
1194344545a
12482274230
1326111ac4b
14151534936
15bbb1ea13
hex77ff0b44

2013203268 has 24 divisors (see below), whose sum is σ = 5219416160. Its totient is φ = 671067720.

The previous prime is 2013203261. The next prime is 2013203323. The reversal of 2013203268 is 8623023102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2013203261) 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 7 ways as a sum of consecutive naturals, for example, 9320278 + ... + 9320493.

Almost surely, 22013203268 is an apocalyptic number.

It is an amenable number.

2013203268 is an abundant number, since it is smaller than the sum of its proper divisors (3206212892).

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

2013203268 is a wasteful number, since it uses less digits than its factorization.

2013203268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18640784 (or 18640776 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2013203268 is about 44868.7337463406. The cubic root of 2013203268 is about 1262.6874836819.

The spelling of 2013203268 in words is "two billion, thirteen million, two hundred three thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 18640771 37281542 55922313 74563084 111844626 167766939 223689252 335533878 503300817 671067756 1006601634 2013203268