Search a number
-
+
212303344043 = 72291575411759
BaseRepresentation
bin1100010110111001000…
…0111111000110101011
3202021222210012022122102
43011232100333012223
511434244124002133
6241310353244015
721224034435500
oct3055620770653
9667883168572
10212303344043
118204578072a
123518bb6360b
13170352828cb
14a3c01034a7
1557c86647e8
hex316e43f1ab

212303344043 has 48 divisors (see below), whose sum is σ = 257730105600. Its totient is φ = 174158449920.

The previous prime is 212303344013. The next prime is 212303344133. The reversal of 212303344043 is 340443303212.

It is not a de Polignac number, because 212303344043 - 210 = 212303343019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212303343997 and 212303344015.

It is not an unprimeable number, because it can be changed into a prime (212303344013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120694598 + ... + 120696356.

It is an arithmetic number, because the mean of its divisors is an integer number (5369377200).

Almost surely, 2212303344043 is an apocalyptic number.

212303344043 is a deficient number, since it is larger than the sum of its proper divisors (45426761557).

212303344043 is a wasteful number, since it uses less digits than its factorization.

212303344043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 212303344043 its reverse (340443303212), we get a palindrome (552746647255).

The spelling of 212303344043 in words is "two hundred twelve billion, three hundred three million, three hundred forty-four thousand, forty-three".

Divisors: 1 7 29 49 157 203 541 1099 1421 1759 3787 4553 7693 12313 15689 26509 31871 51011 84937 86191 109823 223097 276163 357077 594559 768761 951619 1933141 2463173 2499539 4161913 6661333 8008727 13531987 17242211 27596951 46629331 56061089 120695477 149404183 193178657 392427623 1045829281 1352250599 4332721307 7320804967 30329049149 212303344043