Base | Representation |
---|---|
bin | 1000101100101010011… |
… | …1010001100110011000 |
3 | 112021200220111010012220 |
4 | 2023022213101212120 |
5 | 4422012103301100 |
6 | 152351340304040 |
7 | 13536653404431 |
oct | 2131247214630 |
9 | 467626433186 |
10 | 149428181400 |
11 | 584103493a3 |
12 | 24b63242020 |
13 | 11124c6cb64 |
14 | 7337862488 |
15 | 3d487cbaa0 |
hex | 22ca9d1998 |
149428181400 has 96 divisors (see below), whose sum is σ = 465073358400. Its totient is φ = 39688720000.
The previous prime is 149428181381. The next prime is 149428181401. The reversal of 149428181400 is 4181824941.
149428181400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1494281814002 (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 (149428181401) 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, 345510 + ... + 646709.
It is an arithmetic number, because the mean of its divisors is an integer number (4844514150).
Almost surely, 2149428181400 is an apocalyptic number.
149428181400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149428181400 is an abundant number, since it is smaller than the sum of its proper divisors (315645177000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149428181400 is a wasteful number, since it uses less digits than its factorization.
149428181400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 992489 (or 992480 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 42.
The spelling of 149428181400 in words is "one hundred forty-nine billion, four hundred twenty-eight million, one hundred eighty-one thousand, four hundred".
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