Base | Representation |
---|---|
bin | 1000111101110110110… |
… | …0100100100111100100 |
3 | 112201121112122122211010 |
4 | 2033131230210213210 |
5 | 10010440041220140 |
6 | 154433322342220 |
7 | 14062223324535 |
oct | 2173554444744 |
9 | 481545578733 |
10 | 154043304420 |
11 | 5a36947a655 |
12 | 25a3095a970 |
13 | 116ac153795 |
14 | 765477868c |
15 | 4018a5a880 |
hex | 23ddb249e4 |
154043304420 has 48 divisors (see below), whose sum is σ = 431339428800. Its totient is φ = 41076483456.
The previous prime is 154043304419. The next prime is 154043304421. The reversal of 154043304420 is 24403340451.
It is an interprime number because it is at equal distance from previous prime (154043304419) and next prime (154043304421).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (154043304421) 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, 2072419 + ... + 2145461.
It is an arithmetic number, because the mean of its divisors is an integer number (8986238100).
Almost surely, 2154043304420 is an apocalyptic number.
154043304420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154043304420 is an abundant number, since it is smaller than the sum of its proper divisors (277296124380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154043304420 is a wasteful number, since it uses less digits than its factorization.
154043304420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108204 (or 108202 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 154043304420 its reverse (24403340451), we get a palindrome (178446644871).
The spelling of 154043304420 in words is "one hundred fifty-four billion, forty-three million, three hundred four thousand, four hundred twenty".
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