Base | Representation |
---|---|
bin | 10001110000111101011… |
… | …001010111000001111000 |
3 | 11022201002201000201101120 |
4 | 101300331121113001320 |
5 | 130000144444121133 |
6 | 2332454513145240 |
7 | 154125403221600 |
oct | 21607531270170 |
9 | 4281081021346 |
10 | 1220800770168 |
11 | 430814232641 |
12 | 17872385b220 |
13 | 8b175b54c35 |
14 | 43130cd9c00 |
15 | 21b50dd1ab3 |
hex | 11c3d657078 |
1220800770168 has 96 divisors (see below), whose sum is σ = 3551054878800. Its totient is φ = 348724873728.
The previous prime is 1220800770131. The next prime is 1220800770227. The reversal of 1220800770168 is 8610770080221.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5451546 + ... + 5671062.
Almost surely, 21220800770168 is an apocalyptic number.
It is an amenable number.
1220800770168 is an abundant number, since it is smaller than the sum of its proper divisors (2330254108632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220800770168 is a wasteful number, since it uses less digits than its factorization.
1220800770168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224269 (or 224258 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 42.
The spelling of 1220800770168 in words is "one trillion, two hundred twenty billion, eight hundred million, seven hundred seventy thousand, one hundred sixty-eight".
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