Base | Representation |
---|---|
bin | 101111111101111000… |
… | …100110011001011100 |
3 | 11220221102002001002210 |
4 | 233331320212121130 |
5 | 1320440023110434 |
6 | 35354411520420 |
7 | 3502214511363 |
oct | 577570463134 |
9 | 156842061083 |
10 | 51504113244 |
11 | 1a92a802651 |
12 | 9b94759110 |
13 | 4b1a57226c |
14 | 26c83c47da |
15 | 1516952ee9 |
hex | bfde2665c |
51504113244 has 48 divisors (see below), whose sum is σ = 123343395840. Its totient is φ = 16717196160.
The previous prime is 51504113231. The next prime is 51504113263. The reversal of 51504113244 is 44231140515.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157237 + ... + 357395.
It is an arithmetic number, because the mean of its divisors is an integer number (2569654080).
Almost surely, 251504113244 is an apocalyptic number.
It is an amenable number.
51504113244 is an abundant number, since it is smaller than the sum of its proper divisors (71839282596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51504113244 is a wasteful number, since it uses less digits than its factorization.
51504113244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200730 (or 200728 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 51504113244 its reverse (44231140515), we get a palindrome (95735253759).
It can be divided in two parts, 5150411 and 3244, that added together give a triangular number (5153655 = T3210).
The spelling of 51504113244 in words is "fifty-one billion, five hundred four million, one hundred thirteen thousand, two hundred forty-four".
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