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20131002110 = 252013100211
BaseRepresentation
bin10010101111111001…
…101011011011111110
31220221222000212100202
4102233321223123332
5312212014031420
613125325123502
71311602460152
oct225771533376
956858025322
1020131002110
1185a047592a
123a999b9592
131b8a88458b
14d8d867062
157cc4e6575
hex4afe6b6fe

20131002110 has 8 divisors (see below), whose sum is σ = 36235803816. Its totient is φ = 8052400840.

The previous prime is 20131002097. The next prime is 20131002139. The reversal of 20131002110 is 1120013102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20131002091 and 20131002100.

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, 1006550096 + ... + 1006550115.

It is an arithmetic number, because the mean of its divisors is an integer number (4529475477).

Almost surely, 220131002110 is an apocalyptic number.

20131002110 is a deficient number, since it is larger than the sum of its proper divisors (16104801706).

20131002110 is a wasteful number, since it uses less digits than its factorization.

20131002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013100218.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20131002110 its reverse (1120013102), we get a palindrome (21251015212).

The spelling of 20131002110 in words is "twenty billion, one hundred thirty-one million, two thousand, one hundred ten".

Divisors: 1 2 5 10 2013100211 4026200422 10065501055 20131002110