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2013431020002 = 2323115061239579
BaseRepresentation
bin11101010011001001110…
…101110011100111100010
321010111000110200100201100
4131103021311303213202
5230442001320120002
64140542450215230
7265315461201543
oct35231165634742
97114013610640
102013431020002
11706989358a16
12286271b84516
13117b3401899c
146d6445764ca
15375921be11c
hex1d4c9d739e2

2013431020002 has 48 divisors (see below), whose sum is σ = 4503475342080. Its totient is φ = 649448042400.

The previous prime is 2013431019979. The next prime is 2013431020009. The reversal of 2013431020002 is 2000201343102.

2013431020002 is a `hidden beast` number, since 20 + 13 + 431 + 0 + 200 + 0 + 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 (2013431020009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8284249 + ... + 8523827.

It is an arithmetic number, because the mean of its divisors is an integer number (93822402960).

Almost surely, 22013431020002 is an apocalyptic number.

2013431020002 is an abundant number, since it is smaller than the sum of its proper divisors (2490044322078).

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

2013431020002 is a wasteful number, since it uses less digits than its factorization.

2013431020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254679 (or 254676 counting only the distinct ones).

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

Adding to 2013431020002 its reverse (2000201343102), we get a palindrome (4013632363104).

The spelling of 2013431020002 in words is "two trillion, thirteen billion, four hundred thirty-one million, twenty thousand, two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 15061 30122 45183 90366 135549 239579 271098 466891 479158 718737 933782 1400673 1437474 2156211 2801346 4202019 4312422 7426949 8404038 14853898 22280847 44561694 66842541 133685082 3608299319 7216598638 10824897957 21649795914 32474693871 64949387742 111857278889 223714557778 335571836667 671143673334 1006715510001 2013431020002