Base | Representation |
---|---|
bin | 101100001101011001… |
… | …100100001000110000 |
3 | 11112112020010200200210 |
4 | 230031121210020300 |
5 | 1234204134230210 |
6 | 33450202544120 |
7 | 3300223426236 |
oct | 541531441060 |
9 | 145466120623 |
10 | 47469445680 |
11 | 1914a2a0148 |
12 | 9249508040 |
13 | 46267031c7 |
14 | 2424608956 |
15 | 137c630e20 |
hex | b0d664230 |
47469445680 has 160 divisors (see below), whose sum is σ = 148251386304. Its totient is φ = 12564615168.
The previous prime is 47469445669. The next prime is 47469445687. The reversal of 47469445680 is 8654496474.
It is a self number, because there is not a number n which added to its sum of digits gives 47469445680.
It is not an unprimeable number, because it can be changed into a prime (47469445687) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19477422 + ... + 19479858.
Almost surely, 247469445680 is an apocalyptic number.
47469445680 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 47469445680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74125693152).
47469445680 is an abundant number, since it is smaller than the sum of its proper divisors (100781940624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47469445680 is a wasteful number, since it uses less digits than its factorization.
47469445680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3023 (or 3017 counting only the distinct ones).
The product of its (nonzero) digits is 23224320, while the sum is 57.
The spelling of 47469445680 in words is "forty-seven billion, four hundred sixty-nine million, four hundred forty-five thousand, six hundred eighty".
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