Search a number
-
+
51422352401 = 759929634139
BaseRepresentation
bin101111111001000000…
…101101010000010001
311220201201020011022102
4233321000231100101
51320303110234101
635342331250145
73500202532520
oct577100552021
9156651204272
1051422352401
111a898639502
129b712a9955
134b06646574
1426bb5c04b7
15150e6a286b
hexbf902d411

51422352401 has 16 divisors (see below), whose sum is σ = 58900608000. Its totient is φ = 43977240528.

The previous prime is 51422352389. The next prime is 51422352439. The reversal of 51422352401 is 10425322415.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51422352401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51422352481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12421790 + ... + 12425928.

It is an arithmetic number, because the mean of its divisors is an integer number (3681288000).

Almost surely, 251422352401 is an apocalyptic number.

It is an amenable number.

51422352401 is a deficient number, since it is larger than the sum of its proper divisors (7478255599).

51422352401 is a wasteful number, since it uses less digits than its factorization.

51422352401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 51422352401 its reverse (10425322415), we get a palindrome (61847674816).

The spelling of 51422352401 in words is "fifty-one billion, four hundred twenty-two million, three hundred fifty-two thousand, four hundred one".

Divisors: 1 7 599 2963 4139 4193 20741 28973 1774837 2479261 12263857 12423859 17354827 85846999 7346050343 51422352401