Base | Representation |
---|---|
bin | 10001011101011111… |
… | …110110110000010110 |
3 | 1210101121121112101110 |
4 | 101131133312300112 |
5 | 301344104013024 |
6 | 12340221235450 |
7 | 1232414425545 |
oct | 213537666026 |
9 | 53347545343 |
10 | 18748501014 |
11 | 7a51049341 |
12 | 3772a02b86 |
13 | 19ca3219a9 |
14 | c9bdcc15c |
15 | 74ae5b629 |
hex | 45d7f6c16 |
18748501014 has 32 divisors (see below), whose sum is σ = 39141851904. Its totient is φ = 5975560800.
The previous prime is 18748501003. The next prime is 18748501021. The reversal of 18748501014 is 41010584781.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369612 + ... + 417264.
It is an arithmetic number, because the mean of its divisors is an integer number (1223182872).
Almost surely, 218748501014 is an apocalyptic number.
18748501014 is an abundant number, since it is smaller than the sum of its proper divisors (20393350890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18748501014 is a wasteful number, since it uses less digits than its factorization.
18748501014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50532.
The product of its (nonzero) digits is 35840, while the sum is 39.
The spelling of 18748501014 in words is "eighteen billion, seven hundred forty-eight million, five hundred one thousand, fourteen".
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