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13213100112 = 2431999291489
BaseRepresentation
bin11000100111000111…
…11110100001010000
31021002211210000212020
430103203332201100
5204030023200422
610023042331440
7645301332522
oct142343764120
937084700766
1013213100112
1156704a5753
122689059b80
131327594944
148d4b9ba12
15524ee795c
hex3138fe850

13213100112 has 80 divisors (see below), whose sum is σ = 34365360000. Its totient is φ = 4374577152.

The previous prime is 13213100059. The next prime is 13213100113. The reversal of 13213100112 is 21100131231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13213100091 and 13213100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213100113) 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, 8873064 + ... + 8874552.

It is an arithmetic number, because the mean of its divisors is an integer number (429567000).

Almost surely, 213213100112 is an apocalyptic number.

13213100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13213100112 is an abundant number, since it is smaller than the sum of its proper divisors (21152259888).

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

13213100112 is a wasteful number, since it uses less digits than its factorization.

13213100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13213100112 its reverse (21100131231), we get a palindrome (34313231343).

The spelling of 13213100112 in words is "thirteen billion, two hundred thirteen million, one hundred thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 199 398 597 796 929 1194 1489 1592 1858 2388 2787 2978 3184 3716 4467 4776 5574 5956 7432 8934 9552 11148 11912 14864 17868 22296 23824 35736 44592 71472 184871 296311 369742 554613 592622 739484 888933 1109226 1185244 1383281 1478968 1777866 2218452 2370488 2766562 2957936 3555732 4149843 4436904 4740976 5533124 7111464 8299686 8873808 11066248 14222928 16599372 22132496 33198744 66397488 275272919 550545838 825818757 1101091676 1651637514 2202183352 3303275028 4404366704 6606550056 13213100112