Base | Representation |
---|---|
bin | 11100111010001000110… |
… | …10011001001011111011 |
3 | 10111221211202101000002020 |
4 | 32131010122121023323 |
5 | 112233222003334341 |
6 | 2040150421205523 |
7 | 131522351010210 |
oct | 16350432311373 |
9 | 3457752330066 |
10 | 993285214971 |
11 | 353282677585 |
12 | 1406092608a3 |
13 | 728880b4b6a |
14 | 3610a731b07 |
15 | 1ac86eda566 |
hex | e7446992fb |
993285214971 has 16 divisors (see below), whose sum is σ = 1593239443200. Its totient is φ = 537718311648.
The previous prime is 993285214921. The next prime is 993285214973. The reversal of 993285214971 is 179412582399.
It is not a de Polignac number, because 993285214971 - 26 = 993285214907 is a prime.
It is not an unprimeable number, because it can be changed into a prime (993285214973) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244717916 + ... + 1244718713.
It is an arithmetic number, because the mean of its divisors is an integer number (99577465200).
Almost surely, 2993285214971 is an apocalyptic number.
993285214971 is a deficient number, since it is larger than the sum of its proper divisors (599954228229).
993285214971 is a wasteful number, since it uses less digits than its factorization.
993285214971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2489436658.
The product of its digits is 9797760, while the sum is 60.
The spelling of 993285214971 in words is "nine hundred ninety-three billion, two hundred eighty-five million, two hundred fourteen thousand, nine hundred seventy-one".
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