Base | Representation |
---|---|
bin | 1101001110010001110… |
… | …11100101111101001000 |
3 | 1121102201220211001202202 |
4 | 12213020323211331020 |
5 | 24420443203144430 |
6 | 544415551215332 |
7 | 44553014434151 |
oct | 6471073457510 |
9 | 1542656731682 |
10 | 454342631240 |
11 | 16575a630593 |
12 | 7407a517548 |
13 | 33ac8ca5944 |
14 | 17dc1556928 |
15 | bc42643d45 |
hex | 69c8ee5f48 |
454342631240 has 32 divisors (see below), whose sum is σ = 1025118504000. Its totient is φ = 181230815424.
The previous prime is 454342631203. The next prime is 454342631269. The reversal of 454342631240 is 42136243454.
It is a junction number, because it is equal to n+sod(n) for n = 454342631194 and 454342631203.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15805370 + ... + 15834089.
It is an arithmetic number, because the mean of its divisors is an integer number (32034953250).
Almost surely, 2454342631240 is an apocalyptic number.
454342631240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
454342631240 is an abundant number, since it is smaller than the sum of its proper divisors (570775872760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454342631240 is a wasteful number, since it uses less digits than its factorization.
454342631240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31639829 (or 31639825 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 38.
Adding to 454342631240 its reverse (42136243454), we get a palindrome (496478874694).
The spelling of 454342631240 in words is "four hundred fifty-four billion, three hundred forty-two million, six hundred thirty-one thousand, two hundred forty".
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