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20130213010 = 253192969899
BaseRepresentation
bin10010101111110110…
…101010110010010010
31220221220112202220211
4102233312222302102
5312211313304020
613125300154334
71311562662445
oct225766526222
956856482824
1020130213010
11859aa86a86
123a996989aa
131b8a66935b
14d8d6dd65c
157cc3dc85a
hex4afdaac92

20130213010 has 32 divisors (see below), whose sum is σ = 37444032000. Its totient is φ = 7783841280.

The previous prime is 20130212987. The next prime is 20130213011. The reversal of 20130213010 is 1031203102.

It is not an unprimeable number, because it can be changed into a prime (20130213011) 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 15 ways as a sum of consecutive naturals, for example, 253041 + ... + 322939.

It is an arithmetic number, because the mean of its divisors is an integer number (1170126000).

Almost surely, 220130213010 is an apocalyptic number.

20130213010 is a deficient number, since it is larger than the sum of its proper divisors (17313818990).

20130213010 is a wasteful number, since it uses less digits than its factorization.

20130213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70866.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20130213010 its reverse (1031203102), we get a palindrome (21161416112).

The spelling of 20130213010 in words is "twenty billion, one hundred thirty million, two hundred thirteen thousand, ten".

Divisors: 1 2 5 10 31 62 155 310 929 1858 4645 9290 28799 57598 69899 139798 143995 287990 349495 698990 2166869 4333738 10834345 21668690 64936171 129872342 324680855 649361710 2013021301 4026042602 10065106505 20130213010