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20312223110 = 252031222311
BaseRepresentation
bin10010111010101100…
…111110110110000110
31221102121000211211122
4102322230332312012
5313044412114420
613155321233542
71316233022234
oct227254766606
957377024748
1020312223110
1186837a1953
123b2a6328b2
131bb929513a
14da995b954
157dd391725
hex4bab3ed86

20312223110 has 8 divisors (see below), whose sum is σ = 36562001616. Its totient is φ = 8124889240.

The previous prime is 20312223109. The next prime is 20312223133. The reversal of 20312223110 is 1132221302.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015611146 + ... + 1015611165.

It is an arithmetic number, because the mean of its divisors is an integer number (4570250202).

Almost surely, 220312223110 is an apocalyptic number.

20312223110 is a deficient number, since it is larger than the sum of its proper divisors (16249778506).

20312223110 is a wasteful number, since it uses less digits than its factorization.

20312223110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031222318.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20312223110 its reverse (1132221302), we get a palindrome (21444444412).

The spelling of 20312223110 in words is "twenty billion, three hundred twelve million, two hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 2031222311 4062444622 10156111555 20312223110