Base | Representation |
---|---|
bin | 101101010011000001… |
… | …000000001001010000 |
3 | 11122112121212112011200 |
4 | 231103001000021100 |
5 | 1244102134140140 |
6 | 34202124311200 |
7 | 3341165115516 |
oct | 552301001120 |
9 | 148477775150 |
10 | 48637411920 |
11 | 196996074a9 |
12 | 95146a2500 |
13 | 478168caa6 |
14 | 24d579a4b6 |
15 | 13e9e40030 |
hex | b53040250 |
48637411920 has 90 divisors (see below), whose sum is σ = 163360517658. Its totient is φ = 12968398464.
The previous prime is 48637411919. The next prime is 48637411943. The reversal of 48637411920 is 2911473684.
48637411920 is a `hidden beast` number, since 4 + 8 + 637 + 4 + 1 + 1 + 9 + 2 + 0 = 666.
It can be written as a sum of positive squares in only one way, i.e., 38909929536 + 9727482384 = 197256^2 + 98628^2 .
It is a tau number, because it is divible by the number of its divisors (90).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5913571 + ... + 5921789.
Almost surely, 248637411920 is an apocalyptic number.
48637411920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48637411920 is an abundant number, since it is smaller than the sum of its proper divisors (114723105738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48637411920 is an frugal number, since it uses more digits than its factorization.
48637411920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16457 (or 8229 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
Multiplying 48637411920 by its sum of digits (45), we get a square (2188683536400 = 14794202).
48637411920 divided by its sum of digits (45) gives a square (1080831376 = 328762).
The spelling of 48637411920 in words is "forty-eight billion, six hundred thirty-seven million, four hundred eleven thousand, nine hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •