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227423865829 is a prime number
BaseRepresentation
bin1101001111001110000…
…1001100101111100101
3210202000120010102010211
43103303201030233211
512211231002201304
6252251014415421
722300526651416
oct3236341145745
9722016112124
10227423865829
11884a4930526
12380ab961571
13185a4a79214
14b01633b80d
155db0d34204
hex34f384cbe5

227423865829 has 2 divisors, whose sum is σ = 227423865830. Its totient is φ = 227423865828.

The previous prime is 227423865821. The next prime is 227423865839. The reversal of 227423865829 is 928568324722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150620057604 + 76803808225 = 388098^2 + 277135^2 .

It is a cyclic number.

It is not a de Polignac number, because 227423865829 - 23 = 227423865821 is a prime.

It is a super-2 number, since 2×2274238658292 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227423865821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113711932914 + 113711932915.

It is an arithmetic number, because the mean of its divisors is an integer number (113711932915).

Almost surely, 2227423865829 is an apocalyptic number.

It is an amenable number.

227423865829 is a deficient number, since it is larger than the sum of its proper divisors (1).

227423865829 is an equidigital number, since it uses as much as digits as its factorization.

227423865829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 58.

The spelling of 227423865829 in words is "two hundred twenty-seven billion, four hundred twenty-three million, eight hundred sixty-five thousand, eight hundred twenty-nine".