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20012102311412 = 2223631344727181
BaseRepresentation
bin1001000110011011011100…
…01111111101110111110100
32121212010201211002121212202
410203031232033331313310
510110334241142431122
6110321233300404032
74133553356665421
oct443155617756764
977763654077782
1020012102311412
1164160a30497a2
1222b25906a6618
13b221966bb153
144d283b6acd48
1524a8625b5e92
hex12336e3fddf4

20012102311412 has 24 divisors (see below), whose sum is σ = 36601753276032. Its totient is φ = 9555837429600.

The previous prime is 20012102311349. The next prime is 20012102311429. The reversal of 20012102311412 is 21411320121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172305539 + ... + 172421642.

It is an arithmetic number, because the mean of its divisors is an integer number (1525073053168).

Almost surely, 220012102311412 is an apocalyptic number.

It is an amenable number.

20012102311412 is a deficient number, since it is larger than the sum of its proper divisors (16589650964620).

20012102311412 is a wasteful number, since it uses less digits than its factorization.

20012102311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344727839 (or 344727837 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20012102311412 its reverse (21411320121002), we get a palindrome (41423422432414).

The spelling of 20012102311412 in words is "twenty trillion, twelve billion, one hundred two million, three hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 631 1262 2524 14513 29026 58052 344727181 689454362 1378908724 7928725163 15857450326 31714900652 217522851211 435045702422 870091404844 5003025577853 10006051155706 20012102311412