Base | Representation |
---|---|
bin | 10111111100010100… |
… | …01101000000000100 |
3 | 1020011211002222111101 |
4 | 23332022031000010 |
5 | 202311112202043 |
6 | 5523254145444 |
7 | 633351246142 |
oct | 137612150004 |
9 | 36154088441 |
10 | 12854022148 |
11 | 54a6840100 |
12 | 25a8952284 |
13 | 129b080786 |
14 | 89d20a592 |
15 | 50371924d |
hex | 2fe28d004 |
12854022148 has 72 divisors (see below), whose sum is σ = 25461971136. Its totient is φ = 5669547840.
The previous prime is 12854022127. The next prime is 12854022149. The reversal of 12854022148 is 84122045821.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (12854022149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9007011 + ... + 9008437.
It is an arithmetic number, because the mean of its divisors is an integer number (353638488).
Almost surely, 212854022148 is an apocalyptic number.
It is an amenable number.
12854022148 is a deficient number, since it is larger than the sum of its proper divisors (12607948988).
12854022148 is a wasteful number, since it uses less digits than its factorization.
12854022148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1993 (or 1980 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 37.
Adding to 12854022148 its reverse (84122045821), we get a palindrome (96976067969).
The spelling of 12854022148 in words is "twelve billion, eight hundred fifty-four million, twenty-two thousand, one hundred forty-eight".
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