Base | Representation |
---|---|
bin | 1010111000001001… |
… | …1111000010100100 |
3 | 21112111021121222102 |
4 | 2232002133002210 |
5 | 21434442341022 |
6 | 1201423151232 |
7 | 132233426060 |
oct | 25602370244 |
9 | 7474247872 |
10 | 2919887012 |
11 | 1269222369 |
12 | 695a45518 |
13 | 376c148c3 |
14 | 1d9b10aa0 |
15 | 12151ba92 |
hex | ae09f0a4 |
2919887012 has 12 divisors (see below), whose sum is σ = 5839774080. Its totient is φ = 1251380136.
The previous prime is 2919886987. The next prime is 2919887021. The reversal of 2919887012 is 2107889192.
2919887012 is an admirable number.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52140812 + ... + 52140867.
It is an arithmetic number, because the mean of its divisors is an integer number (486647840).
Almost surely, 22919887012 is an apocalyptic number.
It is an amenable number.
2919887012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2919887012 is a wasteful number, since it uses less digits than its factorization.
2919887012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104281690 (or 104281688 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 47.
The square root of 2919887012 is about 54035.9788659371. The cubic root of 2919887012 is about 1429.2954639865.
The spelling of 2919887012 in words is "two billion, nine hundred nineteen million, eight hundred eighty-seven thousand, twelve".
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