Base | Representation |
---|---|
bin | 110111010000011… |
… | …0101001001101000 |
3 | 11210012211001011001 |
4 | 1232200311021220 |
5 | 12244122200242 |
6 | 503551444344 |
7 | 63642406366 |
oct | 15640651150 |
9 | 4705731131 |
10 | 1854100072 |
11 | 871655910 |
12 | 438b266b4 |
13 | 237182746 |
14 | 13835a636 |
15 | acb92eb7 |
hex | 6e835268 |
1854100072 has 16 divisors (see below), whose sum is σ = 3792477600. Its totient is φ = 842772720.
The previous prime is 1854100067. The next prime is 1854100097. The reversal of 1854100072 is 2700014581.
It is a self number, because there is not a number n which added to its sum of digits gives 1854100072.
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, 10534572 + ... + 10534747.
It is an arithmetic number, because the mean of its divisors is an integer number (237029850).
Almost surely, 21854100072 is an apocalyptic number.
It is an amenable number.
1854100072 is an abundant number, since it is smaller than the sum of its proper divisors (1938377528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1854100072 is a wasteful number, since it uses less digits than its factorization.
1854100072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21069336 (or 21069332 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 1854100072 is about 43059.2623253116. The cubic root of 1854100072 is about 1228.5072494069.
It can be divided in two parts, 1854 and 100072, that added together give a triangular number (101926 = T451).
The spelling of 1854100072 in words is "one billion, eight hundred fifty-four million, one hundred thousand, seventy-two".
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