Base | Representation |
---|---|
bin | 1111110011000110100… |
… | …00100001111111100100 |
3 | 1220220010211120221022211 |
4 | 13321203100201333210 |
5 | 32343204234012340 |
6 | 1053212335333204 |
7 | 54134601464002 |
oct | 7714320417744 |
9 | 1826124527284 |
10 | 542831157220 |
11 | 19a2390448a0 |
12 | 89255081204 |
13 | 3c25b9191a1 |
14 | 1c3b7805a72 |
15 | e1c0e5b5ea |
hex | 7e63421fe4 |
542831157220 has 48 divisors (see below), whose sum is σ = 1243630785600. Its totient is φ = 197384584320.
The previous prime is 542831157217. The next prime is 542831157229. The reversal of 542831157220 is 22751138245.
It is not an unprimeable number, because it can be changed into a prime (542831157229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7352851 + ... + 7426309.
It is an arithmetic number, because the mean of its divisors is an integer number (25908974700).
Almost surely, 2542831157220 is an apocalyptic number.
It is an amenable number.
542831157220 is an abundant number, since it is smaller than the sum of its proper divisors (700799628380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542831157220 is a wasteful number, since it uses less digits than its factorization.
542831157220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107068 (or 107066 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The spelling of 542831157220 in words is "five hundred forty-two billion, eight hundred thirty-one million, one hundred fifty-seven thousand, two hundred twenty".
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