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2013321204 = 223318641863
BaseRepresentation
bin111100000000000…
…1101011111110100
312012022102022111000
41320000031133310
513110402234304
6531440243300
7100614643056
oct17000153764
95168368430
102013321204
11943516024
12482310530
1326115c82b
141515658d6
15bbb44939
hex7800d7f4

2013321204 has 24 divisors (see below), whose sum is σ = 5219721920. Its totient is φ = 671107032.

The previous prime is 2013321199. The next prime is 2013321209. The reversal of 2013321204 is 4021233102.

It is an interprime number because it is at equal distance from previous prime (2013321199) and next prime (2013321209).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013321209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9320824 + ... + 9321039.

Almost surely, 22013321204 is an apocalyptic number.

It is an amenable number.

2013321204 is an abundant number, since it is smaller than the sum of its proper divisors (3206400716).

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

2013321204 is a wasteful number, since it uses less digits than its factorization.

2013321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18641876 (or 18641868 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2013321204 is about 44870.0479607499. The cubic root of 2013321204 is about 1262.7121398117.

Adding to 2013321204 its reverse (4021233102), we get a palindrome (6034554306).

The spelling of 2013321204 in words is "two billion, thirteen million, three hundred twenty-one thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 18641863 37283726 55925589 74567452 111851178 167776767 223702356 335553534 503330301 671107068 1006660602 2013321204