Search a number
-
+
71201225033 is a prime number
BaseRepresentation
bin100001001001111101…
…1000111100101001001
320210210010122222211122
41002103323013211021
52131310003200113
652413121205025
75100301266311
oct1022373074511
9223703588748
1071201225033
1128218265234
1211971190775
13693927a5b3
143636384441
151cbacde408
hex1093ec7949

71201225033 has 2 divisors, whose sum is σ = 71201225034. Its totient is φ = 71201225032.

The previous prime is 71201225023. The next prime is 71201225057. The reversal of 71201225033 is 33052210217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65029080064 + 6172144969 = 255008^2 + 78563^2 .

It is a cyclic number.

It is not a de Polignac number, because 71201225033 - 214 = 71201208649 is a prime.

It is a super-2 number, since 2×712012250332 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71201224993 and 71201225011.

It is not a weakly prime, because it can be changed into another prime (71201225003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35600612516 + 35600612517.

It is an arithmetic number, because the mean of its divisors is an integer number (35600612517).

Almost surely, 271201225033 is an apocalyptic number.

It is an amenable number.

71201225033 is a deficient number, since it is larger than the sum of its proper divisors (1).

71201225033 is an equidigital number, since it uses as much as digits as its factorization.

71201225033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 71201225033 in words is "seventy-one billion, two hundred one million, two hundred twenty-five thousand, thirty-three".