Base | Representation |
---|---|
bin | 1001011001001110011… |
… | …0001110001011111100 |
3 | 120102120112212112020011 |
4 | 2112103212032023330 |
5 | 10121011323412114 |
6 | 202050325033004 |
7 | 14442252610045 |
oct | 2262346161374 |
9 | 512515775204 |
10 | 161390060284 |
11 | 62499533012 |
12 | 27341255764 |
13 | 122b02480bb |
14 | 7b503998cc |
15 | 42e8a1c1c4 |
hex | 259398e2fc |
161390060284 has 24 divisors (see below), whose sum is σ = 282866094000. Its totient is φ = 80571239040.
The previous prime is 161390060261. The next prime is 161390060327. The reversal of 161390060284 is 482060093161.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16495474 + ... + 16505254.
It is an arithmetic number, because the mean of its divisors is an integer number (11786087250).
Almost surely, 2161390060284 is an apocalyptic number.
It is an amenable number.
161390060284 is a deficient number, since it is larger than the sum of its proper divisors (121476033716).
161390060284 is a wasteful number, since it uses less digits than its factorization.
161390060284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15693 (or 15691 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The spelling of 161390060284 in words is "one hundred sixty-one billion, three hundred ninety million, sixty thousand, two hundred eighty-four".
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