Base | Representation |
---|---|
bin | 1000010010101011110… |
… | …0001111111010001011 |
3 | 111121200220000011111010 |
4 | 2010222330033322023 |
5 | 4313221303421033 |
6 | 145235335135003 |
7 | 13202103026643 |
oct | 2045274177213 |
9 | 447626004433 |
10 | 142454357643 |
11 | 55461853394 |
12 | 23737814463 |
13 | 10583200620 |
14 | 6c7559b523 |
15 | 3a8b433863 |
hex | 212af0fe8b |
142454357643 has 16 divisors (see below), whose sum is σ = 207139089920. Its totient is φ = 86554544544.
The previous prime is 142454357627. The next prime is 142454357651. The reversal of 142454357643 is 346753454241.
It is not a de Polignac number, because 142454357643 - 24 = 142454357627 is a prime.
It is a super-2 number, since 2×1424543576432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142454357592 and 142454357601.
It is not an unprimeable number, because it can be changed into a prime (142454357623) 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, 23115121 + ... + 23121282.
It is an arithmetic number, because the mean of its divisors is an integer number (12946193120).
Almost surely, 2142454357643 is an apocalyptic number.
142454357643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
142454357643 is a deficient number, since it is larger than the sum of its proper divisors (64684732277).
142454357643 is a wasteful number, since it uses less digits than its factorization.
142454357643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46236498.
The product of its digits is 4838400, while the sum is 48.
The spelling of 142454357643 in words is "one hundred forty-two billion, four hundred fifty-four million, three hundred fifty-seven thousand, six hundred forty-three".
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