Base | Representation |
---|---|
bin | 11101010000111000… |
… | …010010011101110101 |
3 | 10000002211110221200210 |
4 | 131100320102131311 |
5 | 1003322424012203 |
6 | 22233540100033 |
7 | 2161442035425 |
oct | 352070223565 |
9 | 100084427623 |
10 | 31421704053 |
11 | 12364807363 |
12 | 610b094619 |
13 | 2c69aa27bc |
14 | 17411aa485 |
15 | c3d859803 |
hex | 750e12775 |
31421704053 has 8 divisors (see below), whose sum is σ = 41898713248. Its totient is φ = 20946248784.
The previous prime is 31421704049. The next prime is 31421704079. The reversal of 31421704053 is 35040712413.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31421704053 - 22 = 31421704049 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 31421704053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31421704553) 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, 340450 + ... + 422787.
It is an arithmetic number, because the mean of its divisors is an integer number (5237339156).
Almost surely, 231421704053 is an apocalyptic number.
It is an amenable number.
31421704053 is a deficient number, since it is larger than the sum of its proper divisors (10477009195).
31421704053 is a wasteful number, since it uses less digits than its factorization.
31421704053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776963.
The product of its (nonzero) digits is 10080, while the sum is 30.
The spelling of 31421704053 in words is "thirty-one billion, four hundred twenty-one million, seven hundred four thousand, fifty-three".
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