Base | Representation |
---|---|
bin | 11101101100011101100… |
… | …00110100100011111111 |
3 | 10121112120121222211001101 |
4 | 32312032300310203333 |
5 | 113204034404141111 |
6 | 2100415341353531 |
7 | 133500021256450 |
oct | 16661660644377 |
9 | 3545517884041 |
10 | 1020302412031 |
11 | 363787126611 |
12 | 1458a92688a7 |
13 | 752a25070b6 |
14 | 3755096d127 |
15 | 1b818d1abc1 |
hex | ed8ec348ff |
1020302412031 has 48 divisors (see below), whose sum is σ = 1304337613824. Its totient is φ = 779011561728.
The previous prime is 1020302412029. The next prime is 1020302412049. The reversal of 1020302412031 is 1302142030201.
It is a happy number.
It is not a de Polignac number, because 1020302412031 - 21 = 1020302412029 is a prime.
It is a super-2 number, since 2×10203024120312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020302412131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45654246 + ... + 45676588.
It is an arithmetic number, because the mean of its divisors is an integer number (27173700288).
Almost surely, 21020302412031 is an apocalyptic number.
1020302412031 is a deficient number, since it is larger than the sum of its proper divisors (284035201793).
1020302412031 is a wasteful number, since it uses less digits than its factorization.
1020302412031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23468 (or 23449 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 1020302412031 its reverse (1302142030201), we get a palindrome (2322444442232).
The spelling of 1020302412031 in words is "one trillion, twenty billion, three hundred two million, four hundred twelve thousand, thirty-one".
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