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234865786061 = 298098820209
BaseRepresentation
bin1101101010111100010…
…1110111110011001101
3211110020012102010112002
43122233011313303031
512322001120123221
6255521300522045
722653123146024
oct3325705676315
9743205363462
10234865786061
1190673682325
12396280b0325
13191bc7b030a
14b5208518bb
15619934280b
hex36af177ccd

234865786061 has 4 divisors (see below), whose sum is σ = 242964606300. Its totient is φ = 226766965824.

The previous prime is 234865786037. The next prime is 234865786063. The reversal of 234865786061 is 160687568432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145518597961 + 89347188100 = 381469^2 + 298910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234865786061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234865785988 and 234865786006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234865786063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049410076 + ... + 4049410133.

It is an arithmetic number, because the mean of its divisors is an integer number (60741151575).

Almost surely, 2234865786061 is an apocalyptic number.

It is an amenable number.

234865786061 is a deficient number, since it is larger than the sum of its proper divisors (8098820239).

234865786061 is an equidigital number, since it uses as much as digits as its factorization.

234865786061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098820238.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 234865786061 in words is "two hundred thirty-four billion, eight hundred sixty-five million, seven hundred eighty-six thousand, sixty-one".

Divisors: 1 29 8098820209 234865786061