Base | Representation |
---|---|
bin | 11101111110111100001… |
… | …01101111100101001110 |
3 | 10122111012000202122122110 |
4 | 32333132011233211032 |
5 | 113334344121400220 |
6 | 2105140015124450 |
7 | 134300614660020 |
oct | 16773605574516 |
9 | 3574160678573 |
10 | 1030223231310 |
11 | 367a08179a09 |
12 | 1477b7813726 |
13 | 761c3990070 |
14 | 37c123a0010 |
15 | 1bbe9c87be0 |
hex | efde16f94e |
1030223231310 has 128 divisors (see below), whose sum is σ = 3048309863424. Its totient is φ = 216995143680.
The previous prime is 1030223231281. The next prime is 1030223231311. The reversal of 1030223231310 is 131323220301.
It is a super-2 number, since 2×10302232313102 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030223231311) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1281070 + ... + 1923950.
It is an arithmetic number, because the mean of its divisors is an integer number (23814920808).
Almost surely, 21030223231310 is an apocalyptic number.
1030223231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1030223231310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524154931712).
1030223231310 is an abundant number, since it is smaller than the sum of its proper divisors (2018086632114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030223231310 is a wasteful number, since it uses less digits than its factorization.
1030223231310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643498.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1030223231310 its reverse (131323220301), we get a palindrome (1161546451611).
The spelling of 1030223231310 in words is "one trillion, thirty billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred ten".
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