Base | Representation |
---|---|
bin | 1010011011111101… |
… | …0111101101111000 |
3 | 21020020202112221202 |
4 | 2212333113231320 |
5 | 21214204130242 |
6 | 1142000353332 |
7 | 126266314463 |
oct | 24677275570 |
9 | 7206675852 |
10 | 2801630072 |
11 | 12084a115a |
12 | 662315848 |
13 | 35857b197 |
14 | 1c812a2da |
15 | 115e5c932 |
hex | a6fd7b78 |
2801630072 has 16 divisors (see below), whose sum is σ = 5254150560. Its totient is φ = 1400523264.
The previous prime is 2801630071. The next prime is 2801630119. The reversal of 2801630072 is 2700361082.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2801630071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7448 + ... + 75224.
It is an arithmetic number, because the mean of its divisors is an integer number (328384410).
Almost surely, 22801630072 is an apocalyptic number.
It is an amenable number.
2801630072 is a deficient number, since it is larger than the sum of its proper divisors (2452520488).
2801630072 is a wasteful number, since it uses less digits than its factorization.
2801630072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72950 (or 72946 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 2801630072 is about 52930.4267128086. The cubic root of 2801630072 is about 1409.7332077420.
The spelling of 2801630072 in words is "two billion, eight hundred one million, six hundred thirty thousand, seventy-two".
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