Base | Representation |
---|---|
bin | 1011000000011010… |
… | …0110110110000110 |
3 | 21121220110021020101 |
4 | 2300012212312012 |
5 | 22022324200430 |
6 | 1205101354314 |
7 | 133134010510 |
oct | 26006466606 |
9 | 7556407211 |
10 | 2954521990 |
11 | 1286829112 |
12 | 6a556899a |
13 | 381150484 |
14 | 200568bb0 |
15 | 1245addca |
hex | b01a6d86 |
2954521990 has 64 divisors (see below), whose sum is σ = 6220800000. Its totient is φ = 989254656.
The previous prime is 2954521979. The next prime is 2954522003. The reversal of 2954521990 is 991254592.
It is a self number, because there is not a number n which added to its sum of digits gives 2954521990.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2364886 + ... + 2366134.
It is an arithmetic number, because the mean of its divisors is an integer number (97200000).
Almost surely, 22954521990 is an apocalyptic number.
2954521990 is an abundant number, since it is smaller than the sum of its proper divisors (3266278010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2954521990 is a wasteful number, since it uses less digits than its factorization.
2954521990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2029.
The product of its (nonzero) digits is 291600, while the sum is 46.
The square root of 2954521990 is about 54355.5148076071. The cubic root of 2954521990 is about 1434.9245817422.
The spelling of 2954521990 in words is "two billion, nine hundred fifty-four million, five hundred twenty-one thousand, nine hundred ninety".
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