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1311412242100 = 2252293409109433
BaseRepresentation
bin10011000101010110010…
…000101100011010110100
311122100222120111102022111
4103011112100230122310
5132441233013221400
62442242055340404
7163514006064262
oct23052620543264
94570876442274
101311412242100
11466192027634
121921b1381704
139688655b60c
14476890c9432
15241a5c953ba
hex1315642c6b4

1311412242100 has 72 divisors (see below), whose sum is σ = 2862484836120. Its totient is φ = 521491630080.

The previous prime is 1311412242097. The next prime is 1311412242137. The reversal of 1311412242100 is 12422141131.

It can be written as a sum of positive squares in 12 ways, for example, as 78486263716 + 1232925978384 = 280154^2 + 1110372^2 .

It is a congruent number.

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, 11928984 + ... + 12038416.

It is an arithmetic number, because the mean of its divisors is an integer number (39756733835).

Almost surely, 21311412242100 is an apocalyptic number.

1311412242100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311412242100 is an abundant number, since it is smaller than the sum of its proper divisors (1551072594020).

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

1311412242100 is a wasteful number, since it uses less digits than its factorization.

1311412242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110149 (or 110142 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1311412242100 its reverse (12422141131), we get a palindrome (1323834383231).

The spelling of 1311412242100 in words is "one trillion, three hundred eleven billion, four hundred twelve million, two hundred forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 293 409 586 818 1172 1465 1636 2045 2930 4090 5860 7325 8180 10225 14650 20450 29300 40900 109433 119837 218866 239674 437732 479348 547165 599185 1094330 1198370 2188660 2396740 2735825 2995925 5471650 5991850 10943300 11983700 32063869 44758097 64127738 89516194 128255476 160319345 179032388 223790485 320638690 447580970 641277380 801596725 895161940 1118952425 1603193450 2237904850 3206386900 4475809700 13114122421 26228244842 52456489684 65570612105 131141224210 262282448420 327853060525 655706121050 1311412242100