Base | Representation |
---|---|
bin | 111011101010100… |
… | …0110101001111100 |
3 | 12011112011012111111 |
4 | 1313111012221330 |
5 | 13100004132423 |
6 | 530354131404 |
7 | 100416616612 |
oct | 16725065174 |
9 | 5145135444 |
10 | 2002020988 |
11 | 9380a8000 |
12 | 47a580b64 |
13 | 25ba04206 |
14 | 14dc636b2 |
15 | bab6160d |
hex | 77546a7c |
2002020988 has 48 divisors (see below), whose sum is σ = 3866365440. Its totient is φ = 907006320.
The previous prime is 2002020973. The next prime is 2002020989. The reversal of 2002020988 is 8890202002.
It is a super-2 number, since 2×20020209882 = 8016176072784992288, which contains 22 as substring.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002020989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2784093 + ... + 2784811.
It is an arithmetic number, because the mean of its divisors is an integer number (80549280).
Almost surely, 22002020988 is an apocalyptic number.
It is an amenable number.
2002020988 is a deficient number, since it is larger than the sum of its proper divisors (1864344452).
2002020988 is a wasteful number, since it uses less digits than its factorization.
2002020988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1279 (or 1255 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 2002020988 is about 44743.9491775145. The cubic root of 2002020988 is about 1260.3452879174.
The spelling of 2002020988 in words is "two billion, two million, twenty thousand, nine hundred eighty-eight".
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