Base | Representation |
---|---|
bin | 11111111000110101110001… |
… | …101100111001100101001101 |
3 | 200101120100002021012221102221 |
4 | 133320311301230321211031 |
5 | 121340240213011240020 |
6 | 1214135514234015341 |
7 | 41353254413643034 |
oct | 3770656154714515 |
9 | 611510067187387 |
10 | 140245474711885 |
11 | 40760854312564 |
12 | 13890619877551 |
13 | 60341260b06ca |
14 | 268bcbaacd71b |
15 | 113318edbe6aa |
hex | 7f8d71b3994d |
140245474711885 has 8 divisors (see below), whose sum is σ = 170029565218296. Its totient is φ = 111039716060160.
The previous prime is 140245474711879. The next prime is 140245474711889. The reversal of 140245474711885 is 588117474542041.
It can be written as a sum of positive squares in 4 ways, for example, as 984375512649 + 139261099199236 = 992157^2 + 11800894^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 140245474711885 - 213 = 140245474703693 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 (140245474711889) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144582963136 + ... + 144582964105.
It is an arithmetic number, because the mean of its divisors is an integer number (21253695652287).
Almost surely, 2140245474711885 is an apocalyptic number.
It is an amenable number.
140245474711885 is a deficient number, since it is larger than the sum of its proper divisors (29784090506411).
140245474711885 is an equidigital number, since it uses as much as digits as its factorization.
140245474711885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289165927343.
The product of its (nonzero) digits is 40140800, while the sum is 61.
The spelling of 140245474711885 in words is "one hundred forty trillion, two hundred forty-five billion, four hundred seventy-four million, seven hundred eleven thousand, eight hundred eighty-five".
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