Base | Representation |
---|---|
bin | 1000010011111011011… |
… | …0110110111101000000 |
3 | 111122120011201210120110 |
4 | 2010332312312331000 |
5 | 4314412323122044 |
6 | 145332432511320 |
7 | 13213301062626 |
oct | 2047666667500 |
9 | 448504653513 |
10 | 142788489024 |
11 | 5561341a225 |
12 | 2380b6ab540 |
13 | 106074bb9bc |
14 | 6ca7ad7516 |
15 | 3aaa9356b9 |
hex | 213edb6f40 |
142788489024 has 112 divisors (see below), whose sum is σ = 390176308800. Its totient is φ = 46050656256.
The previous prime is 142788489023. The next prime is 142788489049. The reversal of 142788489024 is 420984887241.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142788489023) 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, 1215472 + ... + 1327760.
Almost surely, 2142788489024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142788489024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195088154400).
142788489024 is an abundant number, since it is smaller than the sum of its proper divisors (247387819776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142788489024 is a wasteful number, since it uses less digits than its factorization.
142788489024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112520 (or 112510 counting only the distinct ones).
The product of its (nonzero) digits is 8257536, while the sum is 57.
The spelling of 142788489024 in words is "one hundred forty-two billion, seven hundred eighty-eight million, four hundred eighty-nine thousand, twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •