Base | Representation |
---|---|
bin | 111011001000001… |
… | …011110001101011 |
3 | 2120010121212201122 |
4 | 323020023301223 |
5 | 4012423014011 |
6 | 242234005455 |
7 | 33403604402 |
oct | 7310136153 |
9 | 2503555648 |
10 | 992001131 |
11 | 469a60150 |
12 | 23827688b |
13 | 12a699424 |
14 | 95a68639 |
15 | 5c1513db |
hex | 3b20bc6b |
992001131 has 8 divisors (see below), whose sum is σ = 1082430000. Its totient is φ = 901613440.
The previous prime is 992001121. The next prime is 992001149. The reversal of 992001131 is 131100299.
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-992001131 is a prime.
It is a super-2 number, since 2×9920011312 = 1968132487810558322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 992001131.
It is not an unprimeable number, because it can be changed into a prime (992001121) 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, 62495 + ... + 76743.
It is an arithmetic number, because the mean of its divisors is an integer number (135303750).
Almost surely, 2992001131 is an apocalyptic number.
992001131 is a deficient number, since it is larger than the sum of its proper divisors (90428869).
992001131 is a wasteful number, since it uses less digits than its factorization.
992001131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20589.
The product of its (nonzero) digits is 486, while the sum is 26.
The square root of 992001131 is about 31496.0494506851. The cubic root of 992001131 is about 997.3265694718.
The spelling of 992001131 in words is "nine hundred ninety-two million, one thousand, one hundred thirty-one".
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