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20001322310 = 252000132231
BaseRepresentation
bin10010101000001010…
…111111010101000110
31220121221000110010012
4102220022333111012
5311430314303220
613104413430222
71305436302014
oct225012772506
956557013105
1020001322310
118534252542
123a6249b372
131b69a4b778
14d7a54b8b4
157c0e2cac5
hex4a82bf546

20001322310 has 8 divisors (see below), whose sum is σ = 36002380176. Its totient is φ = 8000528920.

The previous prime is 20001322241. The next prime is 20001322331. The reversal of 20001322310 is 1322310002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×200013223102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000066106 + ... + 1000066125.

It is an arithmetic number, because the mean of its divisors is an integer number (4500297522).

Almost surely, 220001322310 is an apocalyptic number.

20001322310 is a deficient number, since it is larger than the sum of its proper divisors (16001057866).

20001322310 is a wasteful number, since it uses less digits than its factorization.

20001322310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000132238.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20001322310 its reverse (1322310002), we get a palindrome (21323632312).

The spelling of 20001322310 in words is "twenty billion, one million, three hundred twenty-two thousand, three hundred ten".

Divisors: 1 2 5 10 2000132231 4000264462 10000661155 20001322310