Search a number
-
+
940213246513 is a prime number
BaseRepresentation
bin11011010111010010001…
…00111001101000110001
310022212212002002122221211
431223221010321220301
5110401024042342023
61555532240520121
7124633234506202
oct15535104715061
93285762078854
10940213246513
11332818959122
12132277620041
136a87aa83128
14337140235a9
15196ccad7a0d
hexdae9139a31

940213246513 has 2 divisors, whose sum is σ = 940213246514. Its totient is φ = 940213246512.

The previous prime is 940213246493. The next prime is 940213246517. The reversal of 940213246513 is 315642312049.

940213246513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909253788304 + 30959458209 = 953548^2 + 175953^2 .

It is an emirp because it is prime and its reverse (315642312049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940213246513 - 25 = 940213246481 is a prime.

It is not a weakly prime, because it can be changed into another prime (940213246517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470106623256 + 470106623257.

It is an arithmetic number, because the mean of its divisors is an integer number (470106623257).

Almost surely, 2940213246513 is an apocalyptic number.

It is an amenable number.

940213246513 is a deficient number, since it is larger than the sum of its proper divisors (1).

940213246513 is an equidigital number, since it uses as much as digits as its factorization.

940213246513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 940213246513 in words is "nine hundred forty billion, two hundred thirteen million, two hundred forty-six thousand, five hundred thirteen".