Base | Representation |
---|---|
bin | 1000101010000001110… |
… | …1110110001100011100 |
3 | 112012212121220222022112 |
4 | 2022200131312030130 |
5 | 4414040043114110 |
6 | 152153240333152 |
7 | 13513306131656 |
oct | 2124035661434 |
9 | 465777828275 |
10 | 148721066780 |
11 | 5808818a750 |
12 | 249a64741b8 |
13 | 1104160c340 |
14 | 72ab9956d6 |
15 | 3d066a1405 |
hex | 22a077631c |
148721066780 has 96 divisors (see below), whose sum is σ = 375447840768. Its totient is φ = 48759379200.
The previous prime is 148721066761. The next prime is 148721066801. The reversal of 148721066780 is 87660127841.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 481676 + ... + 727635.
It is an arithmetic number, because the mean of its divisors is an integer number (3910915008).
Almost surely, 2148721066780 is an apocalyptic number.
148721066780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148721066780 is an abundant number, since it is smaller than the sum of its proper divisors (226726773988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148721066780 is a wasteful number, since it uses less digits than its factorization.
148721066780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1209387 (or 1209385 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 50.
The spelling of 148721066780 in words is "one hundred forty-eight billion, seven hundred twenty-one million, sixty-six thousand, seven hundred eighty".
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