Base | Representation |
---|---|
bin | 1000101011100001010… |
… | …1011001011010010000 |
3 | 112020220112102100011110 |
4 | 2022320111121122100 |
5 | 4420400101124122 |
6 | 152301103213320 |
7 | 13526240610042 |
oct | 2127025313220 |
9 | 466815370143 |
10 | 149121504912 |
11 | 58273224856 |
12 | 24a985a7240 |
13 | 110a6575193 |
14 | 7308c31a92 |
15 | 3d2b8ee90c |
hex | 22b8559690 |
149121504912 has 20 divisors (see below), whose sum is σ = 385230554480. Its totient is φ = 49707168288.
The previous prime is 149121504899. The next prime is 149121504949. The reversal of 149121504912 is 219405121941.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553348962 + ... + 1553349057.
It is an arithmetic number, because the mean of its divisors is an integer number (19261527724).
Almost surely, 2149121504912 is an apocalyptic number.
149121504912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
149121504912 is an abundant number, since it is smaller than the sum of its proper divisors (236109049568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149121504912 is a wasteful number, since it uses less digits than its factorization.
149121504912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3106698030 (or 3106698024 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 39.
The spelling of 149121504912 in words is "one hundred forty-nine billion, one hundred twenty-one million, five hundred four thousand, nine hundred twelve".
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