Search a number
-
+
51110060257 is a prime number
BaseRepresentation
bin101111100110011001…
…011010000011100001
311212220221121002000201
4233212121122003201
51314133133412012
635251333545201
73456361226014
oct574631320341
9155827532021
1051110060257
111a748329823
129aa47a5201
134a86a33809
14268bd2b37b
1514e2066857
hexbe665a0e1

51110060257 has 2 divisors, whose sum is σ = 51110060258. Its totient is φ = 51110060256.

The previous prime is 51110060233. The next prime is 51110060321. The reversal of 51110060257 is 75206001115.

51110060257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38469330496 + 12640729761 = 196136^2 + 112431^2 .

It is a cyclic number.

It is not a de Polignac number, because 51110060257 - 219 = 51109535969 is a prime.

It is a super-2 number, since 2×511100602572 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51110060207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555030128 + 25555030129.

It is an arithmetic number, because the mean of its divisors is an integer number (25555030129).

Almost surely, 251110060257 is an apocalyptic number.

It is an amenable number.

51110060257 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110060257 is an equidigital number, since it uses as much as digits as its factorization.

51110060257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 51110060257 in words is "fifty-one billion, one hundred ten million, sixty thousand, two hundred fifty-seven".