Base | Representation |
---|---|
bin | 11100111001011111… |
… | …010001100100010011 |
3 | 2222002111001021110222 |
4 | 130321133101210103 |
5 | 1002021443131203 |
6 | 22131000543255 |
7 | 2145635310236 |
oct | 347137214423 |
9 | 88074037428 |
10 | 31029270803 |
11 | 1218323a463 |
12 | 601b781b2b |
13 | 2c066b038b |
14 | 170501541d |
15 | c1918d038 |
hex | 7397d1913 |
31029270803 has 16 divisors (see below), whose sum is σ = 32138944992. Its totient is φ = 29937120000.
The previous prime is 31029270787. The next prime is 31029270827. The reversal of 31029270803 is 30807292013.
It is a cyclic number.
It is not a de Polignac number, because 31029270803 - 24 = 31029270787 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31029270863) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 3892700 + ... + 3900662.
It is an arithmetic number, because the mean of its divisors is an integer number (2008684062).
Almost surely, 231029270803 is an apocalyptic number.
31029270803 is a deficient number, since it is larger than the sum of its proper divisors (1109674189).
31029270803 is a wasteful number, since it uses less digits than its factorization.
31029270803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9046.
The product of its (nonzero) digits is 18144, while the sum is 35.
The spelling of 31029270803 in words is "thirty-one billion, twenty-nine million, two hundred seventy thousand, eight hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •