Base | Representation |
---|---|
bin | 1001000001000011110… |
… | …0001010101010110010 |
3 | 112210211110101021012221 |
4 | 2100100330022222302 |
5 | 10014220133433300 |
6 | 155054513311254 |
7 | 14122433014450 |
oct | 2202074125262 |
9 | 483743337187 |
10 | 154903030450 |
11 | 5a76a7a4533 |
12 | 2603086552a |
13 | 117b82b89cc |
14 | 76d6a0d9d0 |
15 | 406927e31a |
hex | 2410f0aab2 |
154903030450 has 48 divisors (see below), whose sum is σ = 339901530624. Its totient is φ = 51396393600.
The previous prime is 154903030397. The next prime is 154903030453. The reversal of 154903030450 is 54030309451.
It is not an unprimeable number, because it can be changed into a prime (154903030453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7127539 + ... + 7149238.
It is an arithmetic number, because the mean of its divisors is an integer number (7081281888).
Almost surely, 2154903030450 is an apocalyptic number.
154903030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154903030450 is an abundant number, since it is smaller than the sum of its proper divisors (184998500174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154903030450 is a wasteful number, since it uses less digits than its factorization.
154903030450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14276827 (or 14276822 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 34.
The spelling of 154903030450 in words is "one hundred fifty-four billion, nine hundred three million, thirty thousand, four hundred fifty".
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