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207269862361 = 4552692
BaseRepresentation
bin1100000100001000111…
…1110001101111011001
3201210222222210221211221
43001002033301233121
511343442041043421
6235115104252041
720655224522002
oct3010217615731
9653888727757
10207269862361
117a9a2485411
1234206311021
1316712500393
14a0638081a9
1555d17e7841
hex30423f1bd9

207269862361 has 3 divisors (see below), whose sum is σ = 207270317631. Its totient is φ = 207269407092.

The previous prime is 207269862313. The next prime is 207269862391. The reversal of 207269862361 is 163268962702.

The square root of 207269862361 is 455269.

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

207269862361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 162232533961 + 45037328400 = 402781^2 + 212220^2 .

It is not a de Polignac number, because 207269862361 - 215 = 207269829593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 207269862299 and 207269862308.

It is not an unprimeable number, because it can be changed into a prime (207269862391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 227635 + ... + 682903.

It is an arithmetic number, because the mean of its divisors is an integer number (69090105877).

Almost surely, 2207269862361 is an apocalyptic number.

207269862361 is the 455269-th square number.

207269862361 is the 227635-th centered octagonal number.

It is an amenable number.

207269862361 is a deficient number, since it is larger than the sum of its proper divisors (455270).

207269862361 is an frugal number, since it uses more digits than its factorization.

207269862361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910538 (or 455269 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 207269862361 in words is "two hundred seven billion, two hundred sixty-nine million, eight hundred sixty-two thousand, three hundred sixty-one".

Divisors: 1 455269 207269862361