Base | Representation |
---|---|
bin | 11101111110101101110… |
… | …00011110010001011111 |
3 | 10122110212121020022120122 |
4 | 32333112320132101133 |
5 | 113334122142441111 |
6 | 2105120015305155 |
7 | 134264616116462 |
oct | 16772670362137 |
9 | 3573777208518 |
10 | 1030102312031 |
11 | 36795599a521 |
12 | 14778321b1bb |
13 | 761a49038b0 |
14 | 37c002c52d9 |
15 | 1bbde34ecdb |
hex | efd6e1e45f |
1030102312031 has 8 divisors (see below), whose sum is σ = 1109349569664. Its totient is φ = 950856285600.
The previous prime is 1030102311971. The next prime is 1030102312079. The reversal of 1030102312031 is 1302132010301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1030102312031 is a prime.
It is a super-2 number, since 2×10301023120312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030102312331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166770 + ... + 2599056.
It is an arithmetic number, because the mean of its divisors is an integer number (138668696208).
Almost surely, 21030102312031 is an apocalyptic number.
1030102312031 is a deficient number, since it is larger than the sum of its proper divisors (79247257633).
1030102312031 is a wasteful number, since it uses less digits than its factorization.
1030102312031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615601.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 1030102312031 its reverse (1302132010301), we get a palindrome (2332234322332).
The spelling of 1030102312031 in words is "one trillion, thirty billion, one hundred two million, three hundred twelve thousand, thirty-one".
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