Base | Representation |
---|---|
bin | 1001011001100100100… |
… | …0000011000000101000 |
3 | 120102211000101212200201 |
4 | 2112121020003000220 |
5 | 10121204100012410 |
6 | 202103441041544 |
7 | 14444460160402 |
oct | 2263110030050 |
9 | 512730355621 |
10 | 161482813480 |
11 | 6253692494a |
12 | 273683262b4 |
13 | 122c6522251 |
14 | 7b5c821b72 |
15 | 4301c3e83a |
hex | 2599203028 |
161482813480 has 32 divisors (see below), whose sum is σ = 363923359200. Its totient is φ = 64488764736.
The previous prime is 161482813477. The next prime is 161482813489. The reversal of 161482813480 is 84318284161.
It is a self number, because there is not a number n which added to its sum of digits gives 161482813480.
It is not an unprimeable number, because it can be changed into a prime (161482813489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236202 + ... + 3285721.
It is an arithmetic number, because the mean of its divisors is an integer number (11372604975).
Almost surely, 2161482813480 is an apocalyptic number.
161482813480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
161482813480 is an abundant number, since it is smaller than the sum of its proper divisors (202440545720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161482813480 is a wasteful number, since it uses less digits than its factorization.
161482813480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6522553 (or 6522549 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 46.
The spelling of 161482813480 in words is "one hundred sixty-one billion, four hundred eighty-two million, eight hundred thirteen thousand, four hundred eighty".
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