Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0101100010111110 |
3 | 12201201112210110002 |
4 | 2010111011202332 |
5 | 14021322322004 |
6 | 1004144514302 |
7 | 106005465542 |
oct | 20425054276 |
9 | 5651483402 |
10 | 2220120254 |
11 | a3a222230 |
12 | 51b61b992 |
13 | 294c57731 |
14 | 170bd7a22 |
15 | ced9361e |
hex | 845458be |
2220120254 has 16 divisors (see below), whose sum is σ = 3692482416. Its totient is φ = 992601600.
The previous prime is 2220120239. The next prime is 2220120269. The reversal of 2220120254 is 4520210222.
It is an interprime number because it is at equal distance from previous prime (2220120239) and next prime (2220120269).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825827 + ... + 828510.
It is an arithmetic number, because the mean of its divisors is an integer number (230780151).
Almost surely, 22220120254 is an apocalyptic number.
2220120254 is a deficient number, since it is larger than the sum of its proper divisors (1472362162).
2220120254 is a wasteful number, since it uses less digits than its factorization.
2220120254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1654411.
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 2220120254 is about 47118.1520647828. The cubic root of 2220120254 is about 1304.5443042255.
Adding to 2220120254 its reverse (4520210222), we get a palindrome (6740330476).
The spelling of 2220120254 in words is "two billion, two hundred twenty million, one hundred twenty thousand, two hundred fifty-four".
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