Base | Representation |
---|---|
bin | 10110001011111001011010… |
… | …11111001111100010010001 |
3 | 20101202000112120220122021002 |
4 | 23011330231133033202101 |
5 | 22343312340422230311 |
6 | 251432324044311345 |
7 | 13163523456322001 |
oct | 1305745537174221 |
9 | 211660476818232 |
10 | 48787296680081 |
11 | 145aa6381037a3 |
12 | 557b37ab42555 |
13 | 212b81237122b |
14 | c09463d02001 |
15 | 599109ac793b |
hex | 2c5f2d7cf891 |
48787296680081 has 4 divisors (see below), whose sum is σ = 48787727924964. Its totient is φ = 48786865435200.
The previous prime is 48787296680027. The next prime is 48787296680147. The reversal of 48787296680081 is 18008669278784.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 39579713320081 + 9207583360000 = 6291241^2 + 3034400^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48787296680081 is a prime.
It is a super-2 number, since 2×487872966800812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 48787296679990 and 48787296680008.
It is not an unprimeable number, because it can be changed into a prime (48787296686081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215452700 + ... + 215679021.
It is an arithmetic number, because the mean of its divisors is an integer number (12196931981241).
Almost surely, 248787296680081 is an apocalyptic number.
It is an amenable number.
48787296680081 is a deficient number, since it is larger than the sum of its proper divisors (431244883).
48787296680081 is a wasteful number, since it uses less digits than its factorization.
48787296680081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431244882.
The product of its (nonzero) digits is 520224768, while the sum is 74.
The spelling of 48787296680081 in words is "forty-eight trillion, seven hundred eighty-seven billion, two hundred ninety-six million, six hundred eighty thousand, eighty-one".
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