Base | Representation |
---|---|
bin | 101101100101011110… |
… | …101101110000111000 |
3 | 11200100012202220222000 |
4 | 231211132231300320 |
5 | 1300220440101330 |
6 | 34252552101000 |
7 | 3351646154202 |
oct | 554536556070 |
9 | 150305686860 |
10 | 48947190840 |
11 | 1983845aa39 |
12 | 95a0394760 |
13 | 4800902922 |
14 | 2524997772 |
15 | 1417231560 |
hex | b657adc38 |
48947190840 has 256 divisors, whose sum is σ = 178329600000. Its totient is φ = 11888363520.
The previous prime is 48947190833. The next prime is 48947190931. The reversal of 48947190840 is 4809174984.
48947190840 is a `hidden beast` number, since 4 + 8 + 9 + 471 + 90 + 84 + 0 = 666.
It is a super-2 number, since 2×489471908402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 526161 + ... + 612159.
It is an arithmetic number, because the mean of its divisors is an integer number (696600000).
Almost surely, 248947190840 is an apocalyptic number.
48947190840 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 48947190840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89164800000).
48947190840 is an abundant number, since it is smaller than the sum of its proper divisors (129382409160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48947190840 is a wasteful number, since it uses less digits than its factorization.
48947190840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86067 (or 86057 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 48947190840 in words is "forty-eight billion, nine hundred forty-seven million, one hundred ninety thousand, eight hundred forty".
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