Base | Representation |
---|---|
bin | 111100100010000… |
… | …1110110000010000 |
3 | 12020112222012221012 |
4 | 1321010032300100 |
5 | 13124433332034 |
6 | 533314350052 |
7 | 101222336240 |
oct | 17104166020 |
9 | 5215865835 |
10 | 2031152144 |
11 | 95259473a |
12 | 48828b328 |
13 | 264a63898 |
14 | 153a87b20 |
15 | bd4b7cce |
hex | 7910ec10 |
2031152144 has 20 divisors (see below), whose sum is σ = 4497551424. Its totient is φ = 870493728.
The previous prime is 2031152143. The next prime is 2031152183. The reversal of 2031152144 is 4412511302.
It is not an unprimeable number, because it can be changed into a prime (2031152143) 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, 9067532 + ... + 9067755.
Almost surely, 22031152144 is an apocalyptic number.
It is an amenable number.
2031152144 is an abundant number, since it is smaller than the sum of its proper divisors (2466399280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031152144 is a wasteful number, since it uses less digits than its factorization.
2031152144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18135302 (or 18135296 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 2031152144 is about 45068.3053153766. The cubic root of 2031152144 is about 1266.4289172739.
Adding to 2031152144 its reverse (4412511302), we get a palindrome (6443663446).
The spelling of 2031152144 in words is "two billion, thirty-one million, one hundred fifty-two thousand, one hundred forty-four".
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