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105843512896 = 2611236972
BaseRepresentation
bin110001010010011000…
…0111101011001000000
3101010012102020112222021
41202210300331121000
53213231414403041
6120342425451224
710434621005152
oct1424460753100
9333172215867
10105843512896
11409849a3900
121861a940b14
139c9a347994
1451a1176ad2
152b47260cd1
hex18a4c3d640

105843512896 has 63 divisors (see below), whose sum is σ = 230925424737. Its totient is φ = 48097674240.

The previous prime is 105843512861. The next prime is 105843512899. The reversal of 105843512896 is 698215348501.

It is a happy number.

The square root of 105843512896 is 325336.

It is a perfect power (a square), and thus also a powerful number.

105843512896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9455617600 + 96387895296 = 97240^2 + 310464^2 .

It is a super-2 number, since 2×1058435128962 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105843512899) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28627720 + ... + 28631416.

Almost surely, 2105843512896 is an apocalyptic number.

105843512896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

105843512896 is the 325336-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105843512896

105843512896 is an abundant number, since it is smaller than the sum of its proper divisors (125081911841).

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

105843512896 is an frugal number, since it uses more digits than its factorization.

105843512896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 105843512896 in words is "one hundred five billion, eight hundred forty-three million, five hundred twelve thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 176 242 352 484 704 968 1936 3697 3872 7394 7744 14788 29576 40667 59152 81334 118304 162668 236608 325336 447337 650672 894674 1301344 1789348 2602688 3578696 7157392 13667809 14314784 27335618 28629568 54671236 109342472 150345899 218684944 300691798 437369888 601383596 874739776 1202767192 1653804889 2405534384 3307609778 4811068768 6615219556 9622137536 13230439112 26460878224 52921756448 105843512896