Base | Representation |
---|---|
bin | 10011001011111010… |
… | …100101010011000000 |
3 | 1222011201102021211200 |
4 | 103023322211103000 |
5 | 314142324014102 |
6 | 13244114541200 |
7 | 1326340422564 |
oct | 231372452300 |
9 | 58151367750 |
10 | 20601001152 |
11 | 8811801096 |
12 | 3bab297800 |
13 | 1c34064114 |
14 | dd604d6a4 |
15 | 8088d551c |
hex | 4cbea54c0 |
20601001152 has 84 divisors (see below), whose sum is σ = 59068844016. Its totient is φ = 6864698880.
The previous prime is 20601001129. The next prime is 20601001153. The reversal of 20601001152 is 25110010602.
20601001152 is a `hidden beast` number, since 2 + 0 + 601 + 0 + 0 + 11 + 52 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20601001153) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3217218 + ... + 3223614.
It is an arithmetic number, because the mean of its divisors is an integer number (703200524).
Almost surely, 220601001152 is an apocalyptic number.
It is an amenable number.
20601001152 is an abundant number, since it is smaller than the sum of its proper divisors (38467842864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20601001152 is a wasteful number, since it uses less digits than its factorization.
20601001152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12006 (or 11993 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 20601001152 its reverse (25110010602), we get a palindrome (45711011754).
The spelling of 20601001152 in words is "twenty billion, six hundred one million, one thousand, one hundred fifty-two".
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