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20130303212 = 2235969120287
BaseRepresentation
bin10010101111110111…
…000000110011101100
31220221220201100122122
4102233313000303230
5312211324200322
613125302132112
71311563516435
oct225767006354
956856640578
1020130303212
1185a0038828
123a99721038
131b8a69b426
14d8d72448c
157cc409442
hex4afdc0cec

20130303212 has 24 divisors (see below), whose sum is σ = 35379025920. Its totient is φ = 10022095440.

The previous prime is 20130303197. The next prime is 20130303227. The reversal of 20130303212 is 21230303102.

It is an interprime number because it is at equal distance from previous prime (20130303197) and next prime (20130303227).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 982133 + ... + 1002419.

It is an arithmetic number, because the mean of its divisors is an integer number (1474126080).

Almost surely, 220130303212 is an apocalyptic number.

It is an amenable number.

20130303212 is a deficient number, since it is larger than the sum of its proper divisors (15248722708).

20130303212 is a wasteful number, since it uses less digits than its factorization.

20130303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21341 (or 21339 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20130303212 its reverse (21230303102), we get a palindrome (41360606314).

The spelling of 20130303212 in words is "twenty billion, one hundred thirty million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 4 359 691 718 1382 1436 2764 20287 40574 81148 248069 496138 992276 7283033 14018317 14566066 28036634 29132132 56073268 5032575803 10065151606 20130303212