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2100311233012 = 223145971669049
BaseRepresentation
bin11110100100000100010…
…011100001000111110100
321102210021022010110122101
4132210010103201013310
5233402414133424022
64244511502511444
7304512445626316
oct36440423410764
97383238113571
102100311233012
1173a811a32953
1229b079b95584
1312309b6a5755
1473926da97b6
15399796e4627
hex1e9044e11f4

2100311233012 has 12 divisors (see below), whose sum is σ = 3675558543300. Its totient is φ = 1050151649216.

The previous prime is 2100311232961. The next prime is 2100311233037. The reversal of 2100311233012 is 2103321130012.

It can be written as a sum of positive squares in 2 ways, for example, as 893244253456 + 1207066979556 = 945116^2 + 1098666^2 .

It is a super-2 number, since 2×21003112330122 (a number of 25 digits) contains 22 as substring.

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, 423864 + ... + 2092912.

It is an arithmetic number, because the mean of its divisors is an integer number (306296545275).

Almost surely, 22100311233012 is an apocalyptic number.

It is an amenable number.

2100311233012 is a deficient number, since it is larger than the sum of its proper divisors (1575247310288).

2100311233012 is a wasteful number, since it uses less digits than its factorization.

2100311233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983650 (or 1983648 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2100311233012 its reverse (2103321130012), we get a palindrome (4203632363024).

The spelling of 2100311233012 in words is "two trillion, one hundred billion, three hundred eleven million, two hundred thirty-three thousand, twelve".

Divisors: 1 2 4 314597 629194 1258388 1669049 3338098 6676196 525077808253 1050155616506 2100311233012