Base | Representation |
---|---|
bin | 110010011110110001… |
… | …000100111010101000 |
3 | 12011220112000120000220 |
4 | 302132301010322220 |
5 | 1342002014212442 |
6 | 40522312130040 |
7 | 3626131134420 |
oct | 623661047250 |
9 | 164815016026 |
10 | 54203272872 |
11 | 20a95375191 |
12 | a608696920 |
13 | 515a823338 |
14 | 28a2a79480 |
15 | 16238bdeec |
hex | c9ec44ea8 |
54203272872 has 128 divisors (see below), whose sum is σ = 165063536640. Its totient is φ = 14479027200.
The previous prime is 54203272859. The next prime is 54203272913. The reversal of 54203272872 is 27827230245.
It is a super-2 number, since 2×542032728722 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368413 + ... + 494099.
It is an arithmetic number, because the mean of its divisors is an integer number (1289558880).
Almost surely, 254203272872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54203272872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82531768320).
54203272872 is an abundant number, since it is smaller than the sum of its proper divisors (110860263768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54203272872 is a wasteful number, since it uses less digits than its factorization.
54203272872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125871 (or 125867 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 42.
The spelling of 54203272872 in words is "fifty-four billion, two hundred three million, two hundred seventy-two thousand, eight hundred seventy-two".
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