Base | Representation |
---|---|
bin | 11100111000111010… |
… | …000010010100110110 |
3 | 2222001210200022212102 |
4 | 130320322002110312 |
5 | 1002011443242141 |
6 | 22130011422102 |
7 | 2145456322301 |
oct | 347072022466 |
9 | 88053608772 |
10 | 31019509046 |
11 | 12178782299 |
12 | 6018454932 |
13 | 2c046730a6 |
14 | 17039d3b38 |
15 | c183b099b |
hex | 738e82536 |
31019509046 has 8 divisors (see below), whose sum is σ = 46981004304. Its totient is φ = 15359174280.
The previous prime is 31019509039. The next prime is 31019509057. The reversal of 31019509046 is 64090591013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75289865 + ... + 75290276.
It is an arithmetic number, because the mean of its divisors is an integer number (5872625538).
Almost surely, 231019509046 is an apocalyptic number.
31019509046 is a deficient number, since it is larger than the sum of its proper divisors (15961495258).
31019509046 is a wasteful number, since it uses less digits than its factorization.
31019509046 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150580246.
The product of its (nonzero) digits is 29160, while the sum is 38.
The spelling of 31019509046 in words is "thirty-one billion, nineteen million, five hundred nine thousand, forty-six".
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