Base | Representation |
---|---|
bin | 1011011110100101… |
… | …0000100100000000 |
3 | 21221201112100220220 |
4 | 2313221100210000 |
5 | 22302221440042 |
6 | 1225421303040 |
7 | 136231314123 |
oct | 26751204400 |
9 | 7851470826 |
10 | 3081046272 |
11 | 1341196737 |
12 | 71ba04a80 |
13 | 3a141cc05 |
14 | 2132a23ba |
15 | 1307528ec |
hex | b7a50900 |
3081046272 has 144 divisors (see below), whose sum is σ = 8868932352. Its totient is φ = 945848320.
The previous prime is 3081046261. The next prime is 3081046279. The reversal of 3081046272 is 2726401803.
It is a super-2 number, since 2×30810462722 = 18985692260410195968, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3081046279) 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, 611122 + ... + 616142.
It is an arithmetic number, because the mean of its divisors is an integer number (61589808).
Almost surely, 23081046272 is an apocalyptic number.
3081046272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3081046272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4434466176).
3081046272 is an abundant number, since it is smaller than the sum of its proper divisors (5787886080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3081046272 is a wasteful number, since it uses less digits than its factorization.
3081046272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5104 (or 5090 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 3081046272 is about 55507.1731580703. The cubic root of 3081046272 is about 1455.1220001385.
The spelling of 3081046272 in words is "three billion, eighty-one million, forty-six thousand, two hundred seventy-two".
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