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51150101 = 255120051
BaseRepresentation
bin1100001100011…
…1110100010101
310120020200202012
43003013310111
5101043300401
65024154005
71160524442
oct303076425
9116220665
1051150101
1126966912
1215168905
13a79ba42
146b169c9
1547558bb
hex30c7d15

51150101 has 4 divisors (see below), whose sum is σ = 51172704. Its totient is φ = 51127500.

The previous prime is 51150089. The next prime is 51150107. The reversal of 51150101 is 10105115.

51150101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51150101 - 26 = 51150037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7475 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (12793176).

Almost surely, 251150101 is an apocalyptic number.

It is an amenable number.

51150101 is a deficient number, since it is larger than the sum of its proper divisors (22603).

51150101 is a wasteful number, since it uses less digits than its factorization.

51150101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22602.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 51150101 is about 7151.9298794102. The cubic root of 51150101 is about 371.2064369371.

Adding to 51150101 its reverse (10105115), we get a palindrome (61255216).

The spelling of 51150101 in words is "fifty-one million, one hundred fifty thousand, one hundred one".

Divisors: 1 2551 20051 51150101