Search a number
-
+
23790169409 is a prime number
BaseRepresentation
bin10110001010000000…
…010010110101000001
32021101222101211020112
4112022000102311001
5342210240410114
614532401521105
71501354050326
oct261200226501
967358354215
1023790169409
11a0a8a26436
12473b343195
1323219ac626
141219818b4d
1594389413e
hex58a012d41

23790169409 has 2 divisors, whose sum is σ = 23790169410. Its totient is φ = 23790169408.

The previous prime is 23790169373. The next prime is 23790169421. The reversal of 23790169409 is 90496109732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23562250000 + 227919409 = 153500^2 + 15097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23790169409 is a prime.

It is not a weakly prime, because it can be changed into another prime (23790169499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11895084704 + 11895084705.

It is an arithmetic number, because the mean of its divisors is an integer number (11895084705).

Almost surely, 223790169409 is an apocalyptic number.

It is an amenable number.

23790169409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23790169409 is an equidigital number, since it uses as much as digits as its factorization.

23790169409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 23790169409 in words is "twenty-three billion, seven hundred ninety million, one hundred sixty-nine thousand, four hundred nine".