Base | Representation |
---|---|
bin | 10001101001111… |
… | …10110110010011 |
3 | 101022200121010020 |
4 | 20310332312103 |
5 | 300403403033 |
6 | 22410234523 |
7 | 3445612536 |
oct | 1064766623 |
9 | 338617106 |
10 | 148106643 |
11 | 76669793 |
12 | 41725a43 |
13 | 248b8189 |
14 | 15954a1d |
15 | d0086b3 |
hex | 8d3ed93 |
148106643 has 4 divisors (see below), whose sum is σ = 197475528. Its totient is φ = 98737760.
The previous prime is 148106641. The next prime is 148106657. The reversal of 148106643 is 346601841.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346601841 = 3 ⋅115533947.
It is a cyclic number.
It is not a de Polignac number, because 148106643 - 21 = 148106641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (148106641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24684438 + ... + 24684443.
It is an arithmetic number, because the mean of its divisors is an integer number (49368882).
Almost surely, 2148106643 is an apocalyptic number.
148106643 is a deficient number, since it is larger than the sum of its proper divisors (49368885).
148106643 is an equidigital number, since it uses as much as digits as its factorization.
148106643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49368884.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 148106643 is about 12169.9072716270. The cubic root of 148106643 is about 529.0842653872.
The spelling of 148106643 in words is "one hundred forty-eight million, one hundred six thousand, six hundred forty-three".
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