Base | Representation |
---|---|
bin | 101101000110100… |
… | …1010100001100100 |
3 | 10220110201201002102 |
4 | 1122031022201210 |
5 | 11044412303140 |
6 | 410101231232 |
7 | 52334456060 |
oct | 13215124144 |
9 | 3813651072 |
10 | 1513400420 |
11 | 707303154 |
12 | 362a02518 |
13 | 1b170480c |
14 | 104dd0aa0 |
15 | 8cce4e15 |
hex | 5a34a864 |
1513400420 has 48 divisors (see below), whose sum is σ = 3675950208. Its totient is φ = 512624640.
The previous prime is 1513400419. The next prime is 1513400477. The reversal of 1513400420 is 240043151.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1513400392 and 1513400401.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53501 + ... + 76740.
It is an arithmetic number, because the mean of its divisors is an integer number (76582296).
Almost surely, 21513400420 is an apocalyptic number.
1513400420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1513400420 is an abundant number, since it is smaller than the sum of its proper divisors (2162549788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1513400420 is a wasteful number, since it uses less digits than its factorization.
1513400420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130340 (or 130338 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1513400420 is about 38902.4474808462. The cubic root of 1513400420 is about 1148.1129531080.
Adding to 1513400420 its reverse (240043151), we get a palindrome (1753443571).
The spelling of 1513400420 in words is "one billion, five hundred thirteen million, four hundred thousand, four hundred twenty".
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