Base | Representation |
---|---|
bin | 11101000110110010… |
… | …010001000010110001 |
3 | 2222200000211001000000 |
4 | 131012302101002301 |
5 | 1003001100300301 |
6 | 22205050220213 |
7 | 2154314422236 |
oct | 350662210261 |
9 | 88600731000 |
10 | 31252353201 |
11 | 12288158583 |
12 | 6082424669 |
13 | 2c40989ab4 |
14 | 17268c578d |
15 | c2da56786 |
hex | 746c910b1 |
31252353201 has 28 divisors (see below), whose sum is σ = 46871494992. Its totient is φ = 20828500056.
The previous prime is 31252353133. The next prime is 31252353217. The reversal of 31252353201 is 10235325213.
It is a happy number.
31252353201 is a `hidden beast` number, since 3 + 125 + 2 + 3 + 532 + 0 + 1 = 666.
It is not a de Polignac number, because 31252353201 - 27 = 31252353073 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (31252355201) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4273390 + ... + 4280696.
It is an arithmetic number, because the mean of its divisors is an integer number (1673981964).
Almost surely, 231252353201 is an apocalyptic number.
It is an amenable number.
31252353201 is a deficient number, since it is larger than the sum of its proper divisors (15619141791).
31252353201 is an frugal number, since it uses more digits than its factorization.
31252353201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13192 (or 13177 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 31252353201 its reverse (10235325213), we get a palindrome (41487678414).
The spelling of 31252353201 in words is "thirty-one billion, two hundred fifty-two million, three hundred fifty-three thousand, two hundred one".
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