Base | Representation |
---|---|
bin | 1000101100100111011… |
… | …0000001110000000100 |
3 | 112021200000012020001210 |
4 | 2023021312001300010 |
5 | 4422000302141203 |
6 | 152350155451420 |
7 | 13536435565143 |
oct | 2131166016004 |
9 | 467600166053 |
10 | 149415271428 |
11 | 584040309a5 |
12 | 24b5aa56b70 |
13 | 1112239c917 |
14 | 7335c6175a |
15 | 3d475cb803 |
hex | 22c9d81c04 |
149415271428 has 48 divisors (see below), whose sum is σ = 350704327680. Its totient is φ = 49509926400.
The previous prime is 149415271391. The next prime is 149415271429. The reversal of 149415271428 is 824172514941.
It is not an unprimeable number, because it can be changed into a prime (149415271429) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390898 + ... + 3434678.
It is an arithmetic number, because the mean of its divisors is an integer number (7306340160).
Almost surely, 2149415271428 is an apocalyptic number.
It is an amenable number.
149415271428 is an abundant number, since it is smaller than the sum of its proper divisors (201289056252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149415271428 is a wasteful number, since it uses less digits than its factorization.
149415271428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45468 (or 45466 counting only the distinct ones).
The product of its digits is 645120, while the sum is 48.
The spelling of 149415271428 in words is "one hundred forty-nine billion, four hundred fifteen million, two hundred seventy-one thousand, four hundred twenty-eight".
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