Base | Representation |
---|---|
bin | 111110110000011… |
… | …1000011111111000 |
3 | 12102202101022011110 |
4 | 1331200320133320 |
5 | 13303034201044 |
6 | 544542000320 |
7 | 103116524016 |
oct | 17540703770 |
9 | 5382338143 |
10 | 2105772024 |
11 | 990720764 |
12 | 4a92760a0 |
13 | 27735c165 |
14 | 15d94d8b6 |
15 | c4d076b9 |
hex | 7d8387f8 |
2105772024 has 16 divisors (see below), whose sum is σ = 5264430120. Its totient is φ = 701924000.
The previous prime is 2105771959. The next prime is 2105772029. The reversal of 2105772024 is 4202775012.
It is a super-2 number, since 2×21057720242 = 8868551634122113152, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2105771982 and 2105772000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105772029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43870227 + ... + 43870274.
Almost surely, 22105772024 is an apocalyptic number.
2105772024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2105772024 is an abundant number, since it is smaller than the sum of its proper divisors (3158658096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105772024 is a wasteful number, since it uses less digits than its factorization.
2105772024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87740510 (or 87740506 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 2105772024 is about 45888.6916788875. The cubic root of 2105772024 is about 1281.7513510058.
The spelling of 2105772024 in words is "two billion, one hundred five million, seven hundred seventy-two thousand, twenty-four".
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