Base | Representation |
---|---|
bin | 11011010111001110101… |
… | …001100001100100000001 |
3 | 20122202120001120100100111 |
4 | 123113032221201210001 |
5 | 221301443112401400 |
6 | 3555455021351321 |
7 | 252565156510000 |
oct | 33271651414401 |
9 | 6582501510314 |
10 | 1880367700225 |
11 | 665506600353 |
12 | 264517408541 |
13 | 1084195bc901 |
14 | 67020300c37 |
15 | 33da545a3ba |
hex | 1b5cea61901 |
1880367700225 has 135 divisors (see below), whose sum is σ = 2831806638843. Its totient is φ = 1238482667520.
The previous prime is 1880367700219. The next prime is 1880367700229. The reversal of 1880367700225 is 5220077630881.
The square root of 1880367700225 is 1371265.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 1599068998849 + 281298701376 = 1264543^2 + 530376^2 .
It is not a de Polignac number, because 1880367700225 - 25 = 1880367700193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is not an unprimeable number, because it can be changed into a prime (1880367700229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 9742837729 + ... + 9742837921.
Almost surely, 21880367700225 is an apocalyptic number.
1880367700225 is the 1371265-th square number.
1880367700225 is the 685633-rd centered octagonal number.
It is an amenable number.
1880367700225 is a deficient number, since it is larger than the sum of its proper divisors (951438938618).
1880367700225 is an frugal number, since it uses more digits than its factorization.
1880367700225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 482 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 49.
Multiplying 1880367700225 by its sum of digits (49), we get a square (92138017311025 = 95988552).
1880367700225 divided by its sum of digits (49) gives a square (38374851025 = 1958952).
The spelling of 1880367700225 in words is "one trillion, eight hundred eighty billion, three hundred sixty-seven million, seven hundred thousand, two hundred twenty-five".
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