Base | Representation |
---|---|
bin | 11101111110100101010… |
… | …00111001111110100100 |
3 | 10122110200122021111200102 |
4 | 32333102220321332210 |
5 | 113334000431403330 |
6 | 2105104553403232 |
7 | 134263063036403 |
oct | 16772250717644 |
9 | 3573618244612 |
10 | 1030031122340 |
11 | 367919796670 |
12 | 147763409518 |
13 | 76192c3970c |
14 | 37bd4a7363a |
15 | 1bbd7e8b945 |
hex | efd2a39fa4 |
1030031122340 has 96 divisors (see below), whose sum is σ = 2500545043584. Its totient is φ = 352237455360.
The previous prime is 1030031122339. The next prime is 1030031122469. The reversal of 1030031122340 is 432211300301.
It is a super-2 number, since 2×10300311223402 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4515059 + ... + 4737701.
It is an arithmetic number, because the mean of its divisors is an integer number (26047344204).
Almost surely, 21030031122340 is an apocalyptic number.
1030031122340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1030031122340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250272521792).
1030031122340 is an abundant number, since it is smaller than the sum of its proper divisors (1470513921244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030031122340 is a wasteful number, since it uses less digits than its factorization.
1030031122340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223917 (or 223915 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1030031122340 its reverse (432211300301), we get a palindrome (1462242422641).
The spelling of 1030031122340 in words is "one trillion, thirty billion, thirty-one million, one hundred twenty-two thousand, three hundred forty".
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