Base | Representation |
---|---|
bin | 11111001011011000110… |
… | …110100010111011001010 |
3 | 21120211020201202010001221 |
4 | 133023120312202323022 |
5 | 240100401131002030 |
6 | 4320133210032254 |
7 | 310535636405326 |
oct | 37133066427312 |
9 | 7524221663057 |
10 | 2142531890890 |
11 | 756708440036 |
12 | 2a72a171868a |
13 | 127069840351 |
14 | 759b0470986 |
15 | 3aaeb128e7a |
hex | 1f2d8da2eca |
2142531890890 has 32 divisors (see below), whose sum is σ = 3914138221056. Its totient is φ = 844245555840.
The previous prime is 2142531890869. The next prime is 2142531890903. The reversal of 2142531890890 is 980981352412.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182306 + ... + 2383885.
It is an arithmetic number, because the mean of its divisors is an integer number (122316819408).
Almost surely, 22142531890890 is an apocalyptic number.
2142531890890 is a deficient number, since it is larger than the sum of its proper divisors (1771606330166).
2142531890890 is a wasteful number, since it uses less digits than its factorization.
2142531890890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3567094.
The product of its (nonzero) digits is 1244160, while the sum is 52.
The spelling of 2142531890890 in words is "two trillion, one hundred forty-two billion, five hundred thirty-one million, eight hundred ninety thousand, eight hundred ninety".
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