Base | Representation |
---|---|
bin | 11100111000111011… |
… | …111010011011110010 |
3 | 2222001211121022201022 |
4 | 130320323322123302 |
5 | 1002012110013020 |
6 | 22130030135442 |
7 | 2145463441505 |
oct | 347073723362 |
9 | 88054538638 |
10 | 31020001010 |
11 | 12178a88979 |
12 | 6018651582 |
13 | 2c047b5cab |
14 | 1703ac113c |
15 | c1845b625 |
hex | 738efa6f2 |
31020001010 has 16 divisors (see below), whose sum is σ = 55838405376. Its totient is φ = 12407466288.
The previous prime is 31020001009. The next prime is 31020001043. The reversal of 31020001010 is 1010002013.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247679 + ... + 351261.
It is an arithmetic number, because the mean of its divisors is an integer number (3489900336).
Almost surely, 231020001010 is an apocalyptic number.
31020001010 is a deficient number, since it is larger than the sum of its proper divisors (24818404366).
31020001010 is a wasteful number, since it uses less digits than its factorization.
31020001010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133537.
The product of its (nonzero) digits is 6, while the sum is 8.
Adding to 31020001010 its reverse (1010002013), we get a palindrome (32030003023).
The spelling of 31020001010 in words is "thirty-one billion, twenty million, one thousand, ten".
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