Base | Representation |
---|---|
bin | 11101010010110111… |
… | …011110001100000011 |
3 | 10000012011012210222210 |
4 | 131102313132030003 |
5 | 1003404442404410 |
6 | 22241130433203 |
7 | 2162325315450 |
oct | 352267361403 |
9 | 100164183883 |
10 | 31455044355 |
11 | 12381609429 |
12 | 611a292803 |
13 | 2c73976ca7 |
14 | 17457a8827 |
15 | c41743220 |
hex | 752dde303 |
31455044355 has 32 divisors (see below), whose sum is σ = 58492684800. Its totient is φ = 14135726592.
The previous prime is 31455044347. The next prime is 31455044377. The reversal of 31455044355 is 55344055413.
It is a happy number.
It is not a de Polignac number, because 31455044355 - 23 = 31455044347 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2532550 + ... + 2544939.
It is an arithmetic number, because the mean of its divisors is an integer number (1827896400).
Almost surely, 231455044355 is an apocalyptic number.
31455044355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
31455044355 is a deficient number, since it is larger than the sum of its proper divisors (27037640445).
31455044355 is a wasteful number, since it uses less digits than its factorization.
31455044355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5077563.
The product of its (nonzero) digits is 360000, while the sum is 39.
Adding to 31455044355 its reverse (55344055413), we get a palindrome (86799099768).
The spelling of 31455044355 in words is "thirty-one billion, four hundred fifty-five million, forty-four thousand, three hundred fifty-five".
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