Base | Representation |
---|---|
bin | 10101011110110101000000… |
… | …01000110111101110100101 |
3 | 20012020222102210200020022000 |
4 | 22233122200020313232211 |
5 | 22142424413133021011 |
6 | 244245102020155513 |
7 | 12643612640250102 |
oct | 1257324010675645 |
9 | 205228383606260 |
10 | 47238737001381 |
11 | 14062921587042 |
12 | 536b225538b99 |
13 | 2048794713543 |
14 | b9451d351aa9 |
15 | 56dbc4545356 |
hex | 2af6a0237ba5 |
47238737001381 has 64 divisors (see below), whose sum is σ = 72704985661440. Its totient is φ = 30281399026560.
The previous prime is 47238737001371. The next prime is 47238737001413. The reversal of 47238737001381 is 18310073783274.
47238737001381 is a `hidden beast` number, since 4 + 7 + 238 + 7 + 370 + 0 + 1 + 38 + 1 = 666.
It is not a de Polignac number, because 47238737001381 - 29 = 47238737000869 is a prime.
It is a super-2 number, since 2×472387370013812 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47238737001371) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84030025 + ... + 84590321.
It is an arithmetic number, because the mean of its divisors is an integer number (1136015400960).
Almost surely, 247238737001381 is an apocalyptic number.
It is an amenable number.
47238737001381 is a deficient number, since it is larger than the sum of its proper divisors (25466248660059).
47238737001381 is a wasteful number, since it uses less digits than its factorization.
47238737001381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560983 (or 560977 counting only the distinct ones).
The product of its (nonzero) digits is 4741632, while the sum is 54.
The spelling of 47238737001381 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred thirty-seven million, one thousand, three hundred eighty-one".
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