Base | Representation |
---|---|
bin | 100011111111110000111… |
… | …1110111100001010010000 |
3 | 122111221211202101020212000 |
4 | 1013333201332330022100 |
5 | 1122024031433340030 |
6 | 14304431353234000 |
7 | 1020300450235410 |
oct | 107774176741220 |
9 | 18457752336760 |
10 | 4947298730640 |
11 | 16381571808a2 |
12 | 67a9a0402900 |
13 | 29b6b37b5106 |
14 | 1316443b2640 |
15 | 88a55b45860 |
hex | 47fe1fbc290 |
4947298730640 has 320 divisors, whose sum is σ = 19889446993920. Its totient is φ = 1106751168000.
The previous prime is 4947298730639. The next prime is 4947298730663. The reversal of 4947298730640 is 460378927494.
4947298730640 is a `hidden beast` number, since 4 + 9 + 472 + 98 + 7 + 30 + 6 + 40 = 666.
It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (63).
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, 2770236 + ... + 4191515.
It is an arithmetic number, because the mean of its divisors is an integer number (62154521856).
Almost surely, 24947298730640 is an apocalyptic number.
4947298730640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4947298730640 is an abundant number, since it is smaller than the sum of its proper divisors (14942148263280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4947298730640 is a wasteful number, since it uses less digits than its factorization.
4947298730640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6961827 (or 6961815 counting only the distinct ones).
The product of its (nonzero) digits is 73156608, while the sum is 63.
The spelling of 4947298730640 in words is "four trillion, nine hundred forty-seven billion, two hundred ninety-eight million, seven hundred thirty thousand, six hundred forty".
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