Base | Representation |
---|---|
bin | 1000100111100010001… |
… | …0101100000101111001 |
3 | 112011010221112121222100 |
4 | 2021320202230011321 |
5 | 4411202104404411 |
6 | 152002552014013 |
7 | 13460563561014 |
oct | 2117042540571 |
9 | 464127477870 |
10 | 148051247481 |
11 | 57874084585 |
12 | 2483a091309 |
13 | 10c65909267 |
14 | 7246a3637b |
15 | 3cb7991456 |
hex | 22788ac179 |
148051247481 has 24 divisors (see below), whose sum is σ = 218940939360. Its totient is φ = 96354429696.
The previous prime is 148051247471. The next prime is 148051247573. The reversal of 148051247481 is 184742150841.
148051247481 is a `hidden beast` number, since 1 + 4 + 80 + 51 + 2 + 47 + 481 = 666.
It is not a de Polignac number, because 148051247481 - 230 = 146977505657 is a prime.
It is a super-2 number, since 2×1480512474812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (148051247401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637705 + ... + 838313.
It is an arithmetic number, because the mean of its divisors is an integer number (9122539140).
Almost surely, 2148051247481 is an apocalyptic number.
It is an amenable number.
148051247481 is a deficient number, since it is larger than the sum of its proper divisors (70889691879).
148051247481 is a wasteful number, since it uses less digits than its factorization.
148051247481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202565 (or 202562 counting only the distinct ones).
The product of its (nonzero) digits is 286720, while the sum is 45.
The spelling of 148051247481 in words is "one hundred forty-eight billion, fifty-one million, two hundred forty-seven thousand, four hundred eighty-one".
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