[go: up one dir, main page]

Search a number
-
+
51260101 is a prime number
BaseRepresentation
bin1100001110001…
…0101011000101
310120110021122021
43003202223011
5101110310401
65030403141
71161463234
oct303425305
9116407567
1051260101
1126a31522
12152004b1
13a809b29
146b44b1b
1547782a1
hex30e2ac5

51260101 has 2 divisors, whose sum is σ = 51260102. Its totient is φ = 51260100.

The previous prime is 51260039. The next prime is 51260107. The reversal of 51260101 is 10106215.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 7568001 = 6610^2 + 2751^2 .

It is a cyclic number.

It is not a de Polignac number, because 51260101 - 215 = 51227333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51260107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25630050 + 25630051.

It is an arithmetic number, because the mean of its divisors is an integer number (25630051).

Almost surely, 251260101 is an apocalyptic number.

It is an amenable number.

51260101 is a deficient number, since it is larger than the sum of its proper divisors (1).

51260101 is an equidigital number, since it uses as much as digits as its factorization.

51260101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 51260101 is about 7159.6159813219. The cubic root of 51260101 is about 371.4723436931.

Adding to 51260101 its reverse (10106215), we get a palindrome (61366316).

The spelling of 51260101 in words is "fifty-one million, two hundred sixty thousand, one hundred one".