Base | Representation |
---|---|
bin | 1011001000010011… |
… | …0010110010110110 |
3 | 21201012200212012210 |
4 | 2302010302302312 |
5 | 22104311213303 |
6 | 1212242354250 |
7 | 134015122140 |
oct | 26204626266 |
9 | 7635625183 |
10 | 2987601078 |
11 | 12a3471a00 |
12 | 6b465b986 |
13 | 387c62ab7 |
14 | 204ad9c90 |
15 | 127445203 |
hex | b2132cb6 |
2987601078 has 96 divisors (see below), whose sum is σ = 7901349120. Its totient is φ = 735134400.
The previous prime is 2987601061. The next prime is 2987601091. The reversal of 2987601078 is 8701067892.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81088 + ... + 112028.
It is an arithmetic number, because the mean of its divisors is an integer number (82305720).
Almost surely, 22987601078 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2987601078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950674560).
2987601078 is an abundant number, since it is smaller than the sum of its proper divisors (4913748042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2987601078 is a wasteful number, since it uses less digits than its factorization.
2987601078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30994 (or 30983 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 48.
The square root of 2987601078 is about 54658.9524048897. The cubic root of 2987601078 is about 1440.2599000410.
The spelling of 2987601078 in words is "two billion, nine hundred eighty-seven million, six hundred one thousand, seventy-eight".
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