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12310203011 = 294771127207
BaseRepresentation
bin10110111011011111…
…01100101010000011
31011202220211002212212
423131233230222003
5200202402444021
65353310212335
7614025666461
oct133557545203
934686732785
1012310203011
1152478747a7
1224767b40ab
1312124c56c2
1484acc9831
154c0ae785b
hex2ddbeca83

12310203011 has 16 divisors (see below), whose sum is σ = 13188925440. Its totient is φ = 11468892960.

The previous prime is 12310203007. The next prime is 12310203019. The reversal of 12310203011 is 11030201321.

It is a cyclic number.

It is not a de Polignac number, because 12310203011 - 22 = 12310203007 is a prime.

It is a super-2 number, since 2×123102030112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310203019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33170 + ... + 160376.

It is an arithmetic number, because the mean of its divisors is an integer number (824307840).

Almost surely, 212310203011 is an apocalyptic number.

12310203011 is a deficient number, since it is larger than the sum of its proper divisors (878722429).

12310203011 is a wasteful number, since it uses less digits than its factorization.

12310203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127354.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12310203011 its reverse (11030201321), we get a palindrome (23340404332).

The spelling of 12310203011 in words is "twelve billion, three hundred ten million, two hundred three thousand, eleven".

Divisors: 1 29 47 71 1363 2059 3337 96773 127207 3689003 5978729 9031697 173383141 261919213 424489759 12310203011