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2013404202 = 23512833229
BaseRepresentation
bin111100000000010…
…0001110000101010
312012022120112100000
41320000201300222
513110412413302
6531442123430
7100615440045
oct17000416052
95168515300
102013404202
11943572417
12482350576
1326118b544
14151587c5c
15bbb5e31c
hex78021c2a

2013404202 has 48 divisors (see below), whose sum is σ = 4528873440. Its totient is φ = 670403952.

The previous prime is 2013404177. The next prime is 2013404207. The reversal of 2013404202 is 2024043102.

2013404202 is a `hidden beast` number, since 201 + 3 + 40 + 420 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2013404207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621924 + ... + 625152.

It is an arithmetic number, because the mean of its divisors is an integer number (94351530).

Almost surely, 22013404202 is an apocalyptic number.

2013404202 is an abundant number, since it is smaller than the sum of its proper divisors (2515469238).

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

2013404202 is a wasteful number, since it uses less digits than its factorization.

2013404202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2013404202 is about 44870.9728220818. The cubic root of 2013404202 is about 1262.7294910987.

Adding to 2013404202 its reverse (2024043102), we get a palindrome (4037447304).

The spelling of 2013404202 in words is "two billion, thirteen million, four hundred four thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 1283 2566 3229 3849 6458 7698 9687 11547 19374 23094 29061 34641 58122 69282 87183 103923 174366 207846 261549 311769 523098 623538 784647 1569294 4142807 8285614 12428421 24856842 37285263 74570526 111855789 223711578 335567367 671134734 1006702101 2013404202