Base | Representation |
---|---|
bin | 11110110110110010111… |
… | …000111100001101110111 |
3 | 21111201011201121012021210 |
4 | 132312302320330031313 |
5 | 234220110024214322 |
6 | 4302035122412503 |
7 | 306123662606013 |
oct | 36666270741567 |
9 | 7451151535253 |
10 | 2120420148087 |
11 | 7482a099242a |
12 | 2a2b50501133 |
13 | 124c547c5977 |
14 | 748b3923543 |
15 | 3a254cc670c |
hex | 1edb2e3c377 |
2120420148087 has 16 divisors (see below), whose sum is σ = 2922867817472. Its totient is φ = 1366298992800.
The previous prime is 2120420148083. The next prime is 2120420148101. The reversal of 2120420148087 is 7808410240212.
It is not a de Polignac number, because 2120420148087 - 22 = 2120420148083 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120420148083) 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, 63237823 + ... + 63271344.
It is an arithmetic number, because the mean of its divisors is an integer number (182679238592).
Almost surely, 22120420148087 is an apocalyptic number.
2120420148087 is a deficient number, since it is larger than the sum of its proper divisors (802447669385).
2120420148087 is a wasteful number, since it uses less digits than its factorization.
2120420148087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126509358.
The product of its (nonzero) digits is 57344, while the sum is 39.
Adding to 2120420148087 its reverse (7808410240212), we get a palindrome (9928830388299).
The spelling of 2120420148087 in words is "two trillion, one hundred twenty billion, four hundred twenty million, one hundred forty-eight thousand, eighty-seven".
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