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51245041134 = 2372179973759
BaseRepresentation
bin101111101110011100…
…010100010111101110
311220021100120210222110
4233232130110113232
51314422212304014
635312555024450
73462620443200
oct575634242756
9156240523873
1051245041134
111a807542971
129b21a3b126
134aa89a4461
1426a1c26770
1514edd2ad59
hexbee7145ee

51245041134 has 48 divisors (see below), whose sum is σ = 119889331200. Its totient is φ = 14559629616.

The previous prime is 51245041109. The next prime is 51245041163. The reversal of 51245041134 is 43114054215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434254 + ... + 539505.

It is an arithmetic number, because the mean of its divisors is an integer number (2497694400).

Almost surely, 251245041134 is an apocalyptic number.

51245041134 is an abundant number, since it is smaller than the sum of its proper divisors (68644290066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51245041134 is a wasteful number, since it uses less digits than its factorization.

51245041134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973957 (or 973950 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 51245041134 its reverse (43114054215), we get a palindrome (94359095349).

The spelling of 51245041134 in words is "fifty-one billion, two hundred forty-five million, forty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 179 294 358 537 1074 1253 2506 3759 7518 8771 17542 26313 52626 973759 1947518 2921277 5842554 6816313 13632626 20448939 40897878 47714191 95428382 143142573 174302861 286285146 348605722 522908583 1045817166 1220120027 2440240054 3660360081 7320720162 8540840189 17081680378 25622520567 51245041134