Base | Representation |
---|---|
bin | 1000010111101010111… |
… | …0000100001100110101 |
3 | 111202011011112221111000 |
4 | 2011322232010030311 |
5 | 4323441430120244 |
6 | 150020231033513 |
7 | 13250214530445 |
oct | 2057256041465 |
9 | 452134487430 |
10 | 143792816949 |
11 | 55a89329701 |
12 | 23a4bb0b899 |
13 | 107375b2a92 |
14 | 6d61250125 |
15 | 3b18bbe169 |
hex | 217ab84335 |
143792816949 has 32 divisors (see below), whose sum is σ = 228923936640. Its totient is φ = 88876313856.
The previous prime is 143792816941. The next prime is 143792816963. The reversal of 143792816949 is 949618297341.
It is not a de Polignac number, because 143792816949 - 23 = 143792816941 is a prime.
It is a super-5 number, since 5×1437928169495 (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143792816941) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2307114 + ... + 2368619.
It is an arithmetic number, because the mean of its divisors is an integer number (7153873020).
Almost surely, 2143792816949 is an apocalyptic number.
It is an amenable number.
143792816949 is a deficient number, since it is larger than the sum of its proper divisors (85131119691).
143792816949 is a wasteful number, since it uses less digits than its factorization.
143792816949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4675826 (or 4675820 counting only the distinct ones).
The product of its digits is 23514624, while the sum is 63.
The spelling of 143792816949 in words is "one hundred forty-three billion, seven hundred ninety-two million, eight hundred sixteen thousand, nine hundred forty-nine".
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