Base | Representation |
---|---|
bin | 1000010011000111111… |
… | …1110111100100111111 |
3 | 111122000010202222020202 |
4 | 2010301333313210333 |
5 | 4313442110401241 |
6 | 145255204434115 |
7 | 13205041232426 |
oct | 2046177674477 |
9 | 448003688222 |
10 | 142572747071 |
11 | 55512665097 |
12 | 2376b3a893b |
13 | 105a18b2441 |
14 | 6c871b82bd |
15 | 3a96a1bd9b |
hex | 2131ff793f |
142572747071 has 4 divisors (see below), whose sum is σ = 142688566944. Its totient is φ = 142456927200.
The previous prime is 142572747061. The next prime is 142572747113. The reversal of 142572747071 is 170747275241.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 142572747071 - 226 = 142505638207 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 (142572747061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57908090 + ... + 57910551.
It is an arithmetic number, because the mean of its divisors is an integer number (35672141736).
Almost surely, 2142572747071 is an apocalyptic number.
142572747071 is a deficient number, since it is larger than the sum of its proper divisors (115819873).
142572747071 is a wasteful number, since it uses less digits than its factorization.
142572747071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115819872.
The product of its (nonzero) digits is 768320, while the sum is 47.
The spelling of 142572747071 in words is "one hundred forty-two billion, five hundred seventy-two million, seven hundred forty-seven thousand, seventy-one".
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