Base | Representation |
---|---|
bin | 1000010010101011000… |
… | …0101000001010001101 |
3 | 111121200200021101121120 |
4 | 2010222300220022031 |
5 | 4313220013424440 |
6 | 145235145551153 |
7 | 13202035111215 |
oct | 2045260501215 |
9 | 447620241546 |
10 | 142451311245 |
11 | 55460062601 |
12 | 237367a54b9 |
13 | 105826a4b19 |
14 | 6c75007245 |
15 | 3a8b030dd0 |
hex | 212ac2828d |
142451311245 has 32 divisors (see below), whose sum is σ = 231659397120. Its totient is φ = 74735369280.
The previous prime is 142451311237. The next prime is 142451311273. The reversal of 142451311245 is 542113154241.
It is not a de Polignac number, because 142451311245 - 23 = 142451311237 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99342 + ... + 542928.
It is an arithmetic number, because the mean of its divisors is an integer number (7239356160).
Almost surely, 2142451311245 is an apocalyptic number.
142451311245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142451311245 is a deficient number, since it is larger than the sum of its proper divisors (89208085875).
142451311245 is a wasteful number, since it uses less digits than its factorization.
142451311245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443945.
The product of its digits is 19200, while the sum is 33.
Adding to 142451311245 its reverse (542113154241), we get a palindrome (684564465486).
The spelling of 142451311245 in words is "one hundred forty-two billion, four hundred fifty-one million, three hundred eleven thousand, two hundred forty-five".
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