Base | Representation |
---|---|
bin | 11100111000010101… |
… | …110001000001101010 |
3 | 2222001010210021021122 |
4 | 130320111301001222 |
5 | 1002002030013002 |
6 | 22125031535242 |
7 | 2145312442121 |
oct | 347025610152 |
9 | 88033707248 |
10 | 31010001002 |
11 | 12173378802 |
12 | 601522a522 |
13 | 2c026c4426 |
14 | 170263aab8 |
15 | c176336a2 |
hex | 73857106a |
31010001002 has 32 divisors (see below), whose sum is σ = 50421076992. Its totient is φ = 14246636544.
The previous prime is 31010000977. The next prime is 31010001037. The reversal of 31010001002 is 20010001013.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4138103 + ... + 4145589.
It is an arithmetic number, because the mean of its divisors is an integer number (1575658656).
Almost surely, 231010001002 is an apocalyptic number.
31010001002 is a deficient number, since it is larger than the sum of its proper divisors (19411075990).
31010001002 is a wasteful number, since it uses less digits than its factorization.
31010001002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10382.
The product of its (nonzero) digits is 6, while the sum is 8.
Adding to 31010001002 its reverse (20010001013), we get a palindrome (51020002015).
The spelling of 31010001002 in words is "thirty-one billion, ten million, one thousand, two".
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