Search a number
-
+
112171121707 is a prime number
BaseRepresentation
bin110100001110111101…
…0110111110000101011
3101201112101202101110011
41220131322313300223
53314211301343312
6123310344232351
711050463542231
oct1503572676053
9351471671404
10112171121707
1143631745a77
12198a5a6b6b7
13a768259cc8
1456016a4951
152db7a0cda7
hex1a1deb7c2b

112171121707 has 2 divisors, whose sum is σ = 112171121708. Its totient is φ = 112171121706.

The previous prime is 112171121639. The next prime is 112171121719. The reversal of 112171121707 is 707121171211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112171121707 - 219 = 112170597419 is a prime.

It is not a weakly prime, because it can be changed into another prime (112171121737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56085560853 + 56085560854.

It is an arithmetic number, because the mean of its divisors is an integer number (56085560854).

Almost surely, 2112171121707 is an apocalyptic number.

112171121707 is a deficient number, since it is larger than the sum of its proper divisors (1).

112171121707 is an equidigital number, since it uses as much as digits as its factorization.

112171121707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 31.

Adding to 112171121707 its reverse (707121171211), we get a palindrome (819292292918).

The spelling of 112171121707 in words is "one hundred twelve billion, one hundred seventy-one million, one hundred twenty-one thousand, seven hundred seven".