Base | Representation |
---|---|
bin | 10111001111110011101011… |
… | …01001001111110001010000 |
3 | 20201000002101200221122100002 |
4 | 23213321311221033301100 |
5 | 23200030120133110020 |
6 | 300420302541145132 |
7 | 13524226653503621 |
oct | 1347716551176120 |
9 | 221002350848302 |
10 | 51120674503760 |
11 | 1531a17a053824 |
12 | 589764255b1a8 |
13 | 226a874859214 |
14 | c8a37a7b5a48 |
15 | 5d9b756b4975 |
hex | 2e7e75a4fc50 |
51120674503760 has 80 divisors (see below), whose sum is σ = 122984590982400. Its totient is φ = 19738250746368.
The previous prime is 51120674503711. The next prime is 51120674503831. The reversal of 51120674503760 is 6730547602115.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×511206745037602 (a number of 28 digits) contains 22 as substring.
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, 6606761 + ... + 12078519.
It is an arithmetic number, because the mean of its divisors is an integer number (1537307387280).
Almost surely, 251120674503760 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51120674503760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61492295491200).
51120674503760 is an abundant number, since it is smaller than the sum of its proper divisors (71863916478640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51120674503760 is a wasteful number, since it uses less digits than its factorization.
51120674503760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5475828 (or 5475822 counting only the distinct ones).
The product of its (nonzero) digits is 1058400, while the sum is 47.
The spelling of 51120674503760 in words is "fifty-one trillion, one hundred twenty billion, six hundred seventy-four million, five hundred three thousand, seven hundred sixty".
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