Base | Representation |
---|---|
bin | 100011100100100010… |
… | …1100111111101111011 |
3 | 21022011121202111222201 |
4 | 1013021011213331323 |
5 | 2222420330421000 |
6 | 55031530531031 |
7 | 5342653316146 |
oct | 1071105477573 |
9 | 238147674881 |
10 | 76388138875 |
11 | 2a43a127394 |
12 | 1297a296a77 |
13 | 7284a60c99 |
14 | 39a91bd05d |
15 | 1ec136796a |
hex | 11c9167f7b |
76388138875 has 16 divisors (see below), whose sum is σ = 95752399392. Its totient is φ = 60841279200.
The previous prime is 76388138873. The next prime is 76388138887. The reversal of 76388138875 is 57883188367.
It is not a de Polignac number, because 76388138875 - 21 = 76388138873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76388138873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317672 + ... + 1374421.
It is an arithmetic number, because the mean of its divisors is an integer number (5984524962).
Almost surely, 276388138875 is an apocalyptic number.
76388138875 is a deficient number, since it is larger than the sum of its proper divisors (19364260517).
76388138875 is a wasteful number, since it uses less digits than its factorization.
76388138875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2692335 (or 2692325 counting only the distinct ones).
The product of its digits is 54190080, while the sum is 64.
The spelling of 76388138875 in words is "seventy-six billion, three hundred eighty-eight million, one hundred thirty-eight thousand, eight hundred seventy-five".
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