Base | Representation |
---|---|
bin | 10001100111001100001… |
… | …010001011101010000110 |
3 | 11021201000122201210000102 |
4 | 101213030022023222012 |
5 | 124312204111001210 |
6 | 2324001553444102 |
7 | 153304431011114 |
oct | 21471412135206 |
9 | 4251018653012 |
10 | 1210311031430 |
11 | 42732102a676 |
12 | 176696870632 |
13 | 8a193866137 |
14 | 42817ad2ab4 |
15 | 2173a035ea5 |
hex | 119cc28ba86 |
1210311031430 has 16 divisors (see below), whose sum is σ = 2178801892800. Its totient is φ = 484070626752.
The previous prime is 1210311031421. The next prime is 1210311031453. The reversal of 1210311031430 is 341301130121.
It is a congruent number.
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, 6628655 + ... + 6808794.
It is an arithmetic number, because the mean of its divisors is an integer number (136175118300).
Almost surely, 21210311031430 is an apocalyptic number.
1210311031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1210311031430 is a deficient number, since it is larger than the sum of its proper divisors (968490861370).
1210311031430 is a wasteful number, since it uses less digits than its factorization.
1210311031430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13446463.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 1210311031430 its reverse (341301130121), we get a palindrome (1551612161551).
The spelling of 1210311031430 in words is "one trillion, two hundred ten billion, three hundred eleven million, thirty-one thousand, four hundred thirty".
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