Base | Representation |
---|---|
bin | 1010100111110001… |
… | …0010100001111000 |
3 | 21100200221122001210 |
4 | 2221330102201320 |
5 | 21314343412130 |
6 | 1150530043120 |
7 | 130440260310 |
oct | 25174224170 |
9 | 7320848053 |
10 | 2851154040 |
11 | 1233447259 |
12 | 676a194a0 |
13 | 3658ca9c7 |
14 | 1d093c440 |
15 | 11a4915b0 |
hex | a9f12878 |
2851154040 has 64 divisors (see below), whose sum is σ = 9775388160. Its totient is φ = 651692160.
The previous prime is 2851154023. The next prime is 2851154101. The reversal of 2851154040 is 404511582.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2851153989 and 2851154007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696276 + ... + 1697955.
It is an arithmetic number, because the mean of its divisors is an integer number (152740440).
Almost surely, 22851154040 is an apocalyptic number.
2851154040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2851154040 is an abundant number, since it is smaller than the sum of its proper divisors (6924234120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2851154040 is a wasteful number, since it uses less digits than its factorization.
2851154040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3394252 (or 3394248 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 30.
The square root of 2851154040 is about 53396.1987411089. The cubic root of 2851154040 is about 1417.9912813621.
The spelling of 2851154040 in words is "two billion, eight hundred fifty-one million, one hundred fifty-four thousand, forty".
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