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20130222010 = 252857704593
BaseRepresentation
bin10010101111110110…
…101100111110111010
31220221220120020021011
4102233312230332322
5312211314101020
613125300304134
71311563030623
oct225766547672
956856506234
1020130222010
11859aa92818
123a996a204a
131b8a670492
14d8d702a4a
157cc3e035a
hex4afdacfba

20130222010 has 16 divisors (see below), whose sum is σ = 36247133736. Its totient is φ = 8049259008.

The previous prime is 20130221983. The next prime is 20130222037. The reversal of 20130222010 is 1022203102.

It is an interprime number because it is at equal distance from previous prime (20130221983) and next prime (20130222037).

It can be written as a sum of positive squares in 4 ways, for example, as 13242715929 + 6887506081 = 115077^2 + 82991^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 323727 + ... + 380866.

Almost surely, 220130222010 is an apocalyptic number.

20130222010 is a deficient number, since it is larger than the sum of its proper divisors (16116911726).

20130222010 is a wasteful number, since it uses less digits than its factorization.

20130222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707457.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20130222010 its reverse (1022203102), we get a palindrome (21152425112).

The spelling of 20130222010 in words is "twenty billion, one hundred thirty million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 2857 5714 14285 28570 704593 1409186 3522965 7045930 2013022201 4026044402 10065111005 20130222010