Base | Representation |
---|---|
bin | 1000111111010111110… |
… | …1001011111100010100 |
3 | 112202122220111211121020 |
4 | 2033311331023330110 |
5 | 10012303240003410 |
6 | 154541542121140 |
7 | 14105264666445 |
oct | 2176575137424 |
9 | 482586454536 |
10 | 154450312980 |
11 | 5a5581a2167 |
12 | 25b251201b0 |
13 | 1174557a152 |
14 | 76928452cc |
15 | 403e655a70 |
hex | 23f5f4bf14 |
154450312980 has 24 divisors (see below), whose sum is σ = 432460876512. Its totient is φ = 41186750112.
The previous prime is 154450312963. The next prime is 154450313029. The reversal of 154450312980 is 89213054451.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287085882 + ... + 1287086001.
It is an arithmetic number, because the mean of its divisors is an integer number (18019203188).
Almost surely, 2154450312980 is an apocalyptic number.
154450312980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154450312980 is an abundant number, since it is smaller than the sum of its proper divisors (278010563532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154450312980 is a wasteful number, since it uses less digits than its factorization.
154450312980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2574171895 (or 2574171893 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 42.
The spelling of 154450312980 in words is "one hundred fifty-four billion, four hundred fifty million, three hundred twelve thousand, nine hundred eighty".
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