Base | Representation |
---|---|
bin | 11101001111111101… |
… | …011011001011011101 |
3 | 10000001202102222121101 |
4 | 131033331123023131 |
5 | 1003310001220440 |
6 | 22232225233101 |
7 | 2161163626564 |
oct | 351775331335 |
9 | 100052388541 |
10 | 31406273245 |
11 | 12357027a26 |
12 | 6105a92791 |
13 | 2c6682c049 |
14 | 173d110bdb |
15 | c3c30c69a |
hex | 74ff5b2dd |
31406273245 has 8 divisors (see below), whose sum is σ = 37697347584. Its totient is φ = 25118472144.
The previous prime is 31406273209. The next prime is 31406273251. The reversal of 31406273245 is 54237260413.
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 31406273245 - 215 = 31406240477 is a prime.
It is a Duffinian number.
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, 797149 + ... + 835618.
It is an arithmetic number, because the mean of its divisors is an integer number (4712168448).
Almost surely, 231406273245 is an apocalyptic number.
It is an amenable number.
31406273245 is a deficient number, since it is larger than the sum of its proper divisors (6291074339).
31406273245 is a wasteful number, since it uses less digits than its factorization.
31406273245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1636619.
The product of its (nonzero) digits is 120960, while the sum is 37.
The spelling of 31406273245 in words is "thirty-one billion, four hundred six million, two hundred seventy-three thousand, two hundred forty-five".
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