Base | Representation |
---|---|
bin | 1110010010010011110101… |
… | …11110011111010011011101 |
3 | 11010020021210000010022122222 |
4 | 13021021322332133103131 |
5 | 13104202322211120240 |
6 | 150452021010515125 |
7 | 6421456144043630 |
oct | 711117276372335 |
9 | 133207700108588 |
10 | 31415454004445 |
11 | a012245871645 |
12 | 3634637b95aa5 |
13 | 146b606961744 |
14 | 7a87321dbc17 |
15 | 3972c4a2ceb5 |
hex | 1c927af9f4dd |
31415454004445 has 8 divisors (see below), whose sum is σ = 43084051206144. Its totient is φ = 21542025603024.
The previous prime is 31415454004369. The next prime is 31415454004481. The reversal of 31415454004445 is 54440045451413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31415454004445 - 216 = 31415453938909 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31415454004396 and 31415454004405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448792200029 + ... + 448792200098.
It is an arithmetic number, because the mean of its divisors is an integer number (5385506400768).
Almost surely, 231415454004445 is an apocalyptic number.
31415454004445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
31415454004445 is a deficient number, since it is larger than the sum of its proper divisors (11668597201699).
31415454004445 is an equidigital number, since it uses as much as digits as its factorization.
31415454004445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897584400139.
The product of its (nonzero) digits is 1536000, while the sum is 44.
Adding to 31415454004445 its reverse (54440045451413), we get a palindrome (85855499455858).
The spelling of 31415454004445 in words is "thirty-one trillion, four hundred fifteen billion, four hundred fifty-four million, four thousand, four hundred forty-five".
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