Base | Representation |
---|---|
bin | 111100001100111… |
… | …101101100111100 |
3 | 2121101112220122010 |
4 | 330030331230330 |
5 | 4032032001140 |
6 | 244120251220 |
7 | 34013061006 |
oct | 7414755474 |
9 | 2541486563 |
10 | 1010031420 |
11 | 479155612 |
12 | 242310b10 |
13 | 131340138 |
14 | 981dd376 |
15 | 5da13880 |
hex | 3c33db3c |
1010031420 has 24 divisors (see below), whose sum is σ = 2828088144. Its totient is φ = 269341696.
The previous prime is 1010031409. The next prime is 1010031427. The reversal of 1010031420 is 241300101.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 1010031396 and 1010031405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010031427) 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, 8416869 + ... + 8416988.
It is an arithmetic number, because the mean of its divisors is an integer number (117837006).
Almost surely, 21010031420 is an apocalyptic number.
1010031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1010031420 is an abundant number, since it is smaller than the sum of its proper divisors (1818056724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1010031420 is a wasteful number, since it uses less digits than its factorization.
1010031420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16833869 (or 16833867 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1010031420 is about 31780.9914886241. The cubic root of 1010031420 is about 1003.3326875220.
Adding to 1010031420 its reverse (241300101), we get a palindrome (1251331521).
The spelling of 1010031420 in words is "one billion, ten million, thirty-one thousand, four hundred twenty".
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