Base | Representation |
---|---|
bin | 110111110100000… |
… | …1110011110110111 |
3 | 11211112000220122121 |
4 | 1233220032132313 |
5 | 12313420103210 |
6 | 505500540411 |
7 | 64260450055 |
oct | 15750163667 |
9 | 4745026577 |
10 | 1872816055 |
11 | 881179470 |
12 | 443251707 |
13 | 23b0065a6 |
14 | 13aa2d1d5 |
15 | ae63d6da |
hex | 6fa0e7b7 |
1872816055 has 48 divisors (see below), whose sum is σ = 2608744320. Its totient is φ = 1279572800.
The previous prime is 1872816007. The next prime is 1872816059. The reversal of 1872816055 is 5506182781.
It is not a de Polignac number, because 1872816055 - 213 = 1872807863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1872816059) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1716060 + ... + 1717150.
It is an arithmetic number, because the mean of its divisors is an integer number (54348840).
Almost surely, 21872816055 is an apocalyptic number.
1872816055 is a deficient number, since it is larger than the sum of its proper divisors (735928265).
1872816055 is a wasteful number, since it uses less digits than its factorization.
1872816055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212 (or 1189 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 43.
The square root of 1872816055 is about 43276.0448169654. The cubic root of 1872816055 is about 1232.6270892486.
The spelling of 1872816055 in words is "one billion, eight hundred seventy-two million, eight hundred sixteen thousand, fifty-five".
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