Base | Representation |
---|---|
bin | 1000010010100010011… |
… | …1110011001100110100 |
3 | 111121121011210002021102 |
4 | 2010220213303030310 |
5 | 4313131323131430 |
6 | 145231425105232 |
7 | 13201121201264 |
oct | 2045047631464 |
9 | 447534702242 |
10 | 142415442740 |
11 | 5544189400a |
12 | 23726788218 |
13 | 1057812695c |
14 | 6c7034b7a4 |
15 | 3a87ce8345 |
hex | 21289f3334 |
142415442740 has 96 divisors (see below), whose sum is σ = 318198580224. Its totient is φ = 53446625280.
The previous prime is 142415442737. The next prime is 142415442749. The reversal of 142415442740 is 47244514241.
It is a junction number, because it is equal to n+sod(n) for n = 142415442694 and 142415442703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142415442749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6481052 + ... + 6502988.
It is an arithmetic number, because the mean of its divisors is an integer number (3314568544).
Almost surely, 2142415442740 is an apocalyptic number.
142415442740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142415442740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159099290112).
142415442740 is an abundant number, since it is smaller than the sum of its proper divisors (175783137484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142415442740 is a wasteful number, since it uses less digits than its factorization.
142415442740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22297 (or 22295 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 38.
Adding to 142415442740 its reverse (47244514241), we get a palindrome (189659956981).
The spelling of 142415442740 in words is "one hundred forty-two billion, four hundred fifteen million, four hundred forty-two thousand, seven hundred forty".
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