Base | Representation |
---|---|
bin | 1000000001001001110… |
… | …0101011110011101111 |
3 | 111011112221000221101200 |
4 | 2000102130223303233 |
5 | 4224102101302311 |
6 | 143140351340543 |
7 | 12644351421000 |
oct | 2002234536357 |
9 | 434487027350 |
10 | 137748462831 |
11 | 53467463a21 |
12 | 22843821753 |
13 | ccb3287695 |
14 | 694a5b71a7 |
15 | 38b3224556 |
hex | 201272bcef |
137748462831 has 144 divisors (see below), whose sum is σ = 244135008000. Its totient is φ = 74788025760.
The previous prime is 137748462829. The next prime is 137748462871. The reversal of 137748462831 is 138264847731.
137748462831 is a `hidden beast` number, since 1 + 3 + 7 + 7 + 4 + 8 + 4 + 628 + 3 + 1 = 666.
137748462831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 137748462831 - 21 = 137748462829 is a prime.
It is a super-2 number, since 2×1377484628312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137748462871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 175029420 + ... + 175030206.
It is an arithmetic number, because the mean of its divisors is an integer number (1695382000).
Almost surely, 2137748462831 is an apocalyptic number.
137748462831 is a deficient number, since it is larger than the sum of its proper divisors (106386545169).
137748462831 is an equidigital number, since it uses as much as digits as its factorization.
137748462831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935 (or 887 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 54.
The spelling of 137748462831 in words is "one hundred thirty-seven billion, seven hundred forty-eight million, four hundred sixty-two thousand, eight hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •