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12311231213010 = 235372299762143
BaseRepresentation
bin1011001100100110111010…
…0100000010110111010010
31121120221102212111212101210
42303021232210002313102
53103201400142304020
642103411311040550
72410312533455202
oct263115644026722
947527385455353
1012311231213010
113a17189080724
121469bba510156
136b3c3730b262
14307c1c5ba402
1516539b5e13e0
hexb326e902dd2

12311231213010 has 48 divisors (see below), whose sum is σ = 30367104235776. Its totient is φ = 3194265385152.

The previous prime is 12311231213009. The next prime is 12311231213059. The reversal of 12311231213010 is 1031213211321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149840002 + ... + 149922141.

It is an arithmetic number, because the mean of its divisors is an integer number (632648004912).

Almost surely, 212311231213010 is an apocalyptic number.

12311231213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311231213010 is an abundant number, since it is smaller than the sum of its proper divisors (18055873022766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311231213010 is a wasteful number, since it uses less digits than its factorization.

12311231213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299762227 (or 299762190 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12311231213010 its reverse (1031213211321), we get a palindrome (13342444424331).

The spelling of 12311231213010 in words is "twelve trillion, three hundred eleven billion, two hundred thirty-one million, two hundred thirteen thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 1369 2738 4107 6845 8214 13690 20535 41070 299762143 599524286 899286429 1498810715 1798572858 2997621430 4496432145 8992864290 11091199291 22182398582 33273597873 55455996455 66547195746 110911992910 166367989365 332735978730 410374373767 820748747534 1231123121301 2051871868835 2462246242602 4103743737670 6155615606505 12311231213010