Base | Representation |
---|---|
bin | 1001011110111100… |
… | …0010000111011110 |
3 | 20120102011101212210 |
4 | 2113233002013132 |
5 | 20203144022204 |
6 | 1100334541250 |
7 | 120040666656 |
oct | 22757020736 |
9 | 6512141783 |
10 | 2545689054 |
11 | 1096a7a957 |
12 | 5b0667826 |
13 | 3175385ac |
14 | 1a2145366 |
15 | ed753389 |
hex | 97bc21de |
2545689054 has 16 divisors (see below), whose sum is σ = 5092821648. Its totient is φ = 848322432.
The previous prime is 2545689043. The next prime is 2545689061. The reversal of 2545689054 is 4509865452.
It is a junction number, because it is equal to n+sod(n) for n = 2545688994 and 2545689012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36507 + ... + 80150.
It is an arithmetic number, because the mean of its divisors is an integer number (318301353).
Almost surely, 22545689054 is an apocalyptic number.
2545689054 is an abundant number, since it is smaller than the sum of its proper divisors (2547132594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2545689054 is a wasteful number, since it uses less digits than its factorization.
2545689054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120299.
The product of its (nonzero) digits is 1728000, while the sum is 48.
The square root of 2545689054 is about 50454.8219102991. The cubic root of 2545689054 is about 1365.4268911280.
The spelling of 2545689054 in words is "two billion, five hundred forty-five million, six hundred eighty-nine thousand, fifty-four".
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