Search a number
-
+
94274177857 is a prime number
BaseRepresentation
bin101011111001100101…
…1011100101101000001
3100000100010111102212221
41113303023130231001
53021033142142412
6111150422451041
76545126201326
oct1276313345501
9300303442787
1094274177857
1136a88352192
1216330293a81
138b754a02c2
1447c4822b4d
1526bb70eb07
hex15f32dcb41

94274177857 has 2 divisors, whose sum is σ = 94274177858. Its totient is φ = 94274177856.

The previous prime is 94274177843. The next prime is 94274177873. The reversal of 94274177857 is 75877147249.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91638792961 + 2635384896 = 302719^2 + 51336^2 .

It is a cyclic number.

It is not a de Polignac number, because 94274177857 - 223 = 94265789249 is a prime.

It is a super-2 number, since 2×942741778572 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94274177795 and 94274177804.

It is not a weakly prime, because it can be changed into another prime (94274177897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47137088928 + 47137088929.

It is an arithmetic number, because the mean of its divisors is an integer number (47137088929).

Almost surely, 294274177857 is an apocalyptic number.

It is an amenable number.

94274177857 is a deficient number, since it is larger than the sum of its proper divisors (1).

94274177857 is an equidigital number, since it uses as much as digits as its factorization.

94274177857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27659520, while the sum is 61.

The spelling of 94274177857 in words is "ninety-four billion, two hundred seventy-four million, one hundred seventy-seven thousand, eight hundred fifty-seven".