Base | Representation |
---|---|
bin | 10101110011010001001011… |
… | …00011110000010000011000 |
3 | 20021202010020120001121120120 |
4 | 22321220211203300100120 |
5 | 22240431240100301030 |
6 | 245543452222153240 |
7 | 13045425015423441 |
oct | 1271504543602030 |
9 | 207663216047516 |
10 | 47941055087640 |
11 | 1430376185a200 |
12 | 546336a422820 |
13 | 2099a8c1b8950 |
14 | bba5064722c8 |
15 | 5820cbd93010 |
hex | 2b9a258f0418 |
47941055087640 has 384 divisors, whose sum is σ = 170320227940800. Its totient is φ = 10723462041600.
The previous prime is 47941055087633. The next prime is 47941055087641. The reversal of 47941055087640 is 4678055014974.
It is a super-2 number, since 2×479410550876402 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47941055087641) 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 95 ways as a sum of consecutive naturals, for example, 449384226 + ... + 449490894.
Almost surely, 247941055087640 is an apocalyptic number.
47941055087640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47941055087640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85160113970400).
47941055087640 is an abundant number, since it is smaller than the sum of its proper divisors (122379172853160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47941055087640 is a wasteful number, since it uses less digits than its factorization.
47941055087640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109099 (or 109084 counting only the distinct ones).
The product of its (nonzero) digits is 33868800, while the sum is 60.
The spelling of 47941055087640 in words is "forty-seven trillion, nine hundred forty-one billion, fifty-five million, eighty-seven thousand, six hundred forty".
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