Base | Representation |
---|---|
bin | 1000010011100110111… |
… | …0101001100110111001 |
3 | 111122100011211121202202 |
4 | 2010321232221212321 |
5 | 4314223311414004 |
6 | 145320120435545 |
7 | 13211204551400 |
oct | 2047156514671 |
9 | 448304747682 |
10 | 142702451129 |
11 | 555798a4727 |
12 | 237a6918bb5 |
13 | 105c27262c4 |
14 | 6c9a4dc637 |
15 | 3aa30dcb1e |
hex | 2139ba99b9 |
142702451129 has 12 divisors (see below), whose sum is σ = 166019710500. Its totient is φ = 122302460448.
The previous prime is 142702451113. The next prime is 142702451189. The reversal of 142702451129 is 921154207241.
It can be written as a sum of positive squares in 2 ways, for example, as 71368053904 + 71334397225 = 267148^2 + 267085^2 .
It is not a de Polignac number, because 142702451129 - 24 = 142702451113 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142702451092 and 142702451101.
It is not an unprimeable number, because it can be changed into a prime (142702451189) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281147 + ... + 603695.
It is an arithmetic number, because the mean of its divisors is an integer number (13834975875).
Almost surely, 2142702451129 is an apocalyptic number.
It is an amenable number.
142702451129 is a deficient number, since it is larger than the sum of its proper divisors (23317259371).
142702451129 is an equidigital number, since it uses as much as digits as its factorization.
142702451129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331592 (or 331585 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 142702451129 in words is "one hundred forty-two billion, seven hundred two million, four hundred fifty-one thousand, one hundred twenty-nine".
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