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142110141021 = 32103365941897
BaseRepresentation
bin1000010001011001101…
…1001010101001011101
3111120210220022011001100
42010112123022221131
54312020144003041
6145141241303313
713160423160642
oct2042633125135
9446726264040
10142110141021
11552a5519342
1223660494b39
1310529ac0954
146c41997dc9
153a6b0dd6b6
hex21166caa5d

142110141021 has 24 divisors (see below), whose sum is σ = 207324711360. Its totient is φ = 93792407616.

The previous prime is 142110140983. The next prime is 142110141031. The reversal of 142110141021 is 120141011241.

142110141021 is a `hidden beast` number, since 142 + 110 + 1 + 410 + 2 + 1 = 666.

It is not a de Polignac number, because 142110141021 - 217 = 142110009949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142110140985 and 142110141003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142110141031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3370945 + ... + 3412841.

It is an arithmetic number, because the mean of its divisors is an integer number (8638529640).

Almost surely, 2142110141021 is an apocalyptic number.

It is an amenable number.

142110141021 is a deficient number, since it is larger than the sum of its proper divisors (65214570339).

142110141021 is a wasteful number, since it uses less digits than its factorization.

142110141021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45665 (or 45662 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 142110141021 its reverse (120141011241), we get a palindrome (262251152262).

The spelling of 142110141021 in words is "one hundred forty-two billion, one hundred ten million, one hundred forty-one thousand, twenty-one".

Divisors: 1 3 9 103 309 927 3659 10977 32931 41897 125691 376877 377073 1130631 3391893 4315391 12946173 38838519 153301123 459903369 1379710107 15790015669 47370047007 142110141021