Search a number
-
+
51015134311 = 194216377689
BaseRepresentation
bin101111100000101111…
…010010110001100111
311212200022222100002221
4233200233102301213
51313434333244221
635234103213211
73454126326001
oct574057226147
9155608870087
1051015134311
111a6a9793529
129a78a47207
134a7017870b
14267d49b371
1514d8a65541
hexbe0bd2c67

51015134311 has 8 divisors (see below), whose sum is σ = 53827703600. Its totient is φ = 48215321280.

The previous prime is 51015134309. The next prime is 51015134333. The reversal of 51015134311 is 11343151015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51015134311 - 21 = 51015134309 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 (51015134371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3180846 + ... + 3196843.

It is an arithmetic number, because the mean of its divisors is an integer number (6728462950).

Almost surely, 251015134311 is an apocalyptic number.

51015134311 is a deficient number, since it is larger than the sum of its proper divisors (2812569289).

51015134311 is a wasteful number, since it uses less digits than its factorization.

51015134311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378129.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 51015134311 its reverse (11343151015), we get a palindrome (62358285326).

The spelling of 51015134311 in words is "fifty-one billion, fifteen million, one hundred thirty-four thousand, three hundred eleven".

Divisors: 1 19 421 7999 6377689 121176091 2685007069 51015134311