Base | Representation |
---|---|
bin | 111101111101010… |
… | …1010010000000100 |
3 | 12100212221212112100 |
4 | 1323322222100010 |
5 | 13224204144410 |
6 | 542143352100 |
7 | 102342665355 |
oct | 17372522004 |
9 | 5325855470 |
10 | 2078974980 |
11 | 977588745 |
12 | 4a02b2630 |
13 | 271939014 |
14 | 15a175d2c |
15 | c27b28c0 |
hex | 7beaa404 |
2078974980 has 72 divisors (see below), whose sum is σ = 6317182872. Its totient is φ = 553430016.
The previous prime is 2078974973. The next prime is 2078975021. The reversal of 2078974980 is 894798702.
2078974980 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 459073476 + 1619901504 = 21426^2 + 40248^2 .
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, 97002 + ... + 116478.
It is an arithmetic number, because the mean of its divisors is an integer number (87738651).
Almost surely, 22078974980 is an apocalyptic number.
2078974980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2078974980 is an abundant number, since it is smaller than the sum of its proper divisors (4238207892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2078974980 is a wasteful number, since it uses less digits than its factorization.
2078974980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20085 (or 20080 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 54.
The square root of 2078974980 is about 45595.7780940297. The cubic root of 2078974980 is about 1276.2911395953.
The spelling of 2078974980 in words is "two billion, seventy-eight million, nine hundred seventy-four thousand, nine hundred eighty".
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