Base | Representation |
---|---|
bin | 100111000110110… |
… | …1011110001101110 |
3 | 10101110011011202111 |
4 | 1032031223301232 |
5 | 10141411210110 |
6 | 334113114234 |
7 | 44342413135 |
oct | 11615536156 |
9 | 3343134674 |
10 | 1312210030 |
11 | 6137878aa |
12 | 30755897a |
13 | 17bb21751 |
14 | c63bc91c |
15 | 7a302e8a |
hex | 4e36bc6e |
1312210030 has 32 divisors (see below), whose sum is σ = 2468729664. Its totient is φ = 501236736.
The previous prime is 1312210027. The next prime is 1312210049. The reversal of 1312210030 is 300122131.
It is a congruent number.
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, 145822 + ... + 154558.
It is an arithmetic number, because the mean of its divisors is an integer number (77147802).
Almost surely, 21312210030 is an apocalyptic number.
1312210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312210030 is a deficient number, since it is larger than the sum of its proper divisors (1156519634).
1312210030 is a wasteful number, since it uses less digits than its factorization.
1312210030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9420.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1312210030 is about 36224.4396782062. The cubic root of 1312210030 is about 1094.7991486102.
Adding to 1312210030 its reverse (300122131), we get a palindrome (1612332161).
The spelling of 1312210030 in words is "one billion, three hundred twelve million, two hundred ten thousand, thirty".
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