Base | Representation |
---|---|
bin | 101100001000011… |
… | …0111001000100010 |
3 | 10211012102012111010 |
4 | 1120100313020202 |
5 | 11013042041023 |
6 | 402535001350 |
7 | 51460502205 |
oct | 13020671042 |
9 | 3735365433 |
10 | 1480815138 |
11 | 69a977370 |
12 | 353b09256 |
13 | 1a7a35b9a |
14 | 10094b93c |
15 | 8a00a093 |
hex | 58437222 |
1480815138 has 64 divisors (see below), whose sum is σ = 3316644864. Its totient is φ = 436968000.
The previous prime is 1480815137. The next prime is 1480815151. The reversal of 1480815138 is 8315180841.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1480815096 and 1480815105.
It is not an unprimeable number, because it can be changed into a prime (1480815137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412893 + ... + 416463.
It is an arithmetic number, because the mean of its divisors is an integer number (51822576).
Almost surely, 21480815138 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1480815138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658322432).
1480815138 is an abundant number, since it is smaller than the sum of its proper divisors (1835829726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1480815138 is a wasteful number, since it uses less digits than its factorization.
1480815138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3751.
The product of its (nonzero) digits is 30720, while the sum is 39.
The square root of 1480815138 is about 38481.3609166828. The cubic root of 1480815138 is about 1139.8130241211.
Adding to 1480815138 its reverse (8315180841), we get a palindrome (9795995979).
It can be divided in two parts, 1480 and 815138, that added together give a palindrome (816618).
The spelling of 1480815138 in words is "one billion, four hundred eighty million, eight hundred fifteen thousand, one hundred thirty-eight".
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