Base | Representation |
---|---|
bin | 111010001000110111101… |
… | …0010010011111011110111 |
3 | 1001021212220010012111220121 |
4 | 1310101233102103323313 |
5 | 2021404024044214113 |
6 | 24554442103512411 |
7 | 1453203123255652 |
oct | 164215722237367 |
9 | 31255803174817 |
10 | 7990506241783 |
11 | 260083350916a |
12 | a90744458707 |
13 | 45c669a65b50 |
14 | 1d8a57858899 |
15 | dccb8754e8d |
hex | 7446f493ef7 |
7990506241783 has 8 divisors (see below), whose sum is σ = 8746228774976. Its totient is φ = 7254936309600.
The previous prime is 7990506241777. The next prime is 7990506241813. The reversal of 7990506241783 is 3871426050997.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7990506241783 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (61).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7990506241583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038149423 + ... + 5038151008.
It is an arithmetic number, because the mean of its divisors is an integer number (1093278596872).
It is a 1-persistent number, because it is pandigital, but 2⋅7990506241783 = 15981012483566 is not.
Almost surely, 27990506241783 is an apocalyptic number.
7990506241783 is a deficient number, since it is larger than the sum of its proper divisors (755722533193).
7990506241783 is a wasteful number, since it uses less digits than its factorization.
7990506241783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10076300505.
The product of its (nonzero) digits is 22861440, while the sum is 61.
The spelling of 7990506241783 in words is "seven trillion, nine hundred ninety billion, five hundred six million, two hundred forty-one thousand, seven hundred eighty-three".
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