Search a number
-
+
51201079 is a prime number
BaseRepresentation
bin1100001101010…
…0010000110111
310120100021200021
43003110100313
5101101413304
65025230011
71161126166
oct303242067
9116307607
1051201079
11269a1146
1215192307
13a7b8cc7
146b2b3dd
154765a54
hex30d4437

51201079 has 2 divisors, whose sum is σ = 51201080. Its totient is φ = 51201078.

The previous prime is 51201061. The next prime is 51201107. The reversal of 51201079 is 97010215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51201079 - 25 = 51201047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51201379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25600539 + 25600540.

It is an arithmetic number, because the mean of its divisors is an integer number (25600540).

Almost surely, 251201079 is an apocalyptic number.

51201079 is a deficient number, since it is larger than the sum of its proper divisors (1).

51201079 is an equidigital number, since it uses as much as digits as its factorization.

51201079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 51201079 is about 7155.4929250192. The cubic root of 51201079 is about 371.3297151469.

The spelling of 51201079 in words is "fifty-one million, two hundred one thousand, seventy-nine".