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2013321432 = 23383888393
BaseRepresentation
bin111100000000000…
…1101100011011000
312012022102022210110
41320000031203120
513110402241212
6531440244320
7100614643533
oct17000154330
95168368713
102013321432
11943516211
124823106a0
1326115c975
14151565a1a
15bbb44a3c
hex7800d8d8

2013321432 has 16 divisors (see below), whose sum is σ = 5033303640. Its totient is φ = 671107136.

The previous prime is 2013321403. The next prime is 2013321437. The reversal of 2013321432 is 2341233102.

It is a junction number, because it is equal to n+sod(n) for n = 2013321399 and 2013321408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013321437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41944173 + ... + 41944220.

Almost surely, 22013321432 is an apocalyptic number.

It is an amenable number.

2013321432 is an abundant number, since it is smaller than the sum of its proper divisors (3019982208).

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

2013321432 is a wasteful number, since it uses less digits than its factorization.

2013321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83888402 (or 83888398 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2013321432 is about 44870.0505014202. The cubic root of 2013321432 is about 1262.7121874773.

Adding to 2013321432 its reverse (2341233102), we get a palindrome (4354554534).

The spelling of 2013321432 in words is "two billion, thirteen million, three hundred twenty-one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 83888393 167776786 251665179 335553572 503330358 671107144 1006660716 2013321432