Base | Representation |
---|---|
bin | 111100011101110… |
… | …1110000011001101 |
3 | 12020101202212102121 |
4 | 1320323232003031 |
5 | 13123400433122 |
6 | 533154452541 |
7 | 101164354453 |
oct | 17073560315 |
9 | 5211685377 |
10 | 2028921037 |
11 | 951300450 |
12 | 487594151 |
13 | 2644621c0 |
14 | 1536669d3 |
15 | bd1c6bc7 |
hex | 78eee0cd |
2028921037 has 24 divisors (see below), whose sum is σ = 2429931168. Its totient is φ = 1670136000.
The previous prime is 2028921031. The next prime is 2028921043. The reversal of 2028921037 is 7301298202.
It is an interprime number because it is at equal distance from previous prime (2028921031) and next prime (2028921043).
It is not a de Polignac number, because 2028921037 - 215 = 2028888269 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2028920993 and 2028921011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028921031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399162 + ... + 404212.
It is an arithmetic number, because the mean of its divisors is an integer number (101247132).
Almost surely, 22028921037 is an apocalyptic number.
It is an amenable number.
2028921037 is a deficient number, since it is larger than the sum of its proper divisors (401010131).
2028921037 is a wasteful number, since it uses less digits than its factorization.
2028921037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5181 (or 5128 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 2028921037 is about 45043.5460082796. The cubic root of 2028921037 is about 1265.9650469483.
The spelling of 2028921037 in words is "two billion, twenty-eight million, nine hundred twenty-one thousand, thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •