Base | Representation |
---|---|
bin | 11101011011111100… |
… | …100100010111110100 |
3 | 10000120202212000211102 |
4 | 131123330210113310 |
5 | 1004212442002343 |
6 | 22304211425232 |
7 | 2166155154233 |
oct | 353374442764 |
9 | 100522760742 |
10 | 31607375348 |
11 | 1244a5a2a0a |
12 | 61612b5218 |
13 | 2c993b0b83 |
14 | 175badcb1a |
15 | c4ecd33b8 |
hex | 75bf245f4 |
31607375348 has 6 divisors (see below), whose sum is σ = 55312906866. Its totient is φ = 15803687672.
The previous prime is 31607375347. The next prime is 31607375351. The reversal of 31607375348 is 84357370613.
It can be written as a sum of positive squares in only one way, i.e., 26888784484 + 4718590864 = 163978^2 + 68692^2 .
It is a super-4 number, since 4×316073753484 (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31607375347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950921915 + ... + 3950921922.
It is an arithmetic number, because the mean of its divisors is an integer number (9218817811).
Almost surely, 231607375348 is an apocalyptic number.
It is an amenable number.
31607375348 is a deficient number, since it is larger than the sum of its proper divisors (23705531518).
31607375348 is a wasteful number, since it uses less digits than its factorization.
31607375348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7901843841 (or 7901843839 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 47.
The spelling of 31607375348 in words is "thirty-one billion, six hundred seven million, three hundred seventy-five thousand, three hundred forty-eight".
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