Base | Representation |
---|---|
bin | 1000101010010001000… |
… | …1001101111111100011 |
3 | 112020001001222021100212 |
4 | 2022210101031333203 |
5 | 4414202411142001 |
6 | 152203440004335 |
7 | 13515012326231 |
oct | 2124421157743 |
9 | 466031867325 |
10 | 148784865251 |
11 | 581101a5460 |
12 | 24a039006ab |
13 | 110518b9209 |
14 | 72b6241951 |
15 | 3d0c0a47bb |
hex | 22a444dfe3 |
148784865251 has 16 divisors (see below), whose sum is σ = 164524802400. Its totient is φ = 133421164800.
The previous prime is 148784865241. The next prime is 148784865319. The reversal of 148784865251 is 152568487841.
It is a happy number.
148784865251 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 148784865251 - 210 = 148784864227 is a prime.
It is a super-2 number, since 2×1487848652512 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148784865241) 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 15 ways as a sum of consecutive naturals, for example, 231665 + ... + 592653.
It is an arithmetic number, because the mean of its divisors is an integer number (10282800150).
Almost surely, 2148784865251 is an apocalyptic number.
148784865251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
148784865251 is a deficient number, since it is larger than the sum of its proper divisors (15739937149).
148784865251 is a wasteful number, since it uses less digits than its factorization.
148784865251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361510.
The product of its digits is 17203200, while the sum is 59.
The spelling of 148784865251 in words is "one hundred forty-eight billion, seven hundred eighty-four million, eight hundred sixty-five thousand, two hundred fifty-one".
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