| Base | Representation |
|---|---|
| bin | 11101101011111110010… |
| … | …01010111001110010100 |
| 3 | 10121111220100222201211121 |
| 4 | 32311333021113032110 |
| 5 | 113203020321110004 |
| 6 | 2100333342013324 |
| 7 | 133460360266240 |
| oct | 16657711271624 |
| 9 | 3544810881747 |
| 10 | 1020040410004 |
| 11 | 363662245610 |
| 12 | 145835577244 |
| 13 | 75260151805 |
| 14 | 37527c4b420 |
| 15 | 1b800d15854 |
| hex | ed7f257394 |
1020040410004 has 96 divisors (see below), whose sum is σ = 2243946184704. Its totient is φ = 394134491520.
The previous prime is 1020040410001. The next prime is 1020040410007. The reversal of 1020040410004 is 4000140400201.
It is an interprime number because it is at equal distance from previous prime (1020040410001) and next prime (1020040410007).
It is a super-2 number, since 2×10200404100042 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1020040410004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020040410001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190766059 + ... + 190771405.
It is an arithmetic number, because the mean of its divisors is an integer number (23374439424).
Almost surely, 21020040410004 is an apocalyptic number.
1020040410004 is a gapful number since it is divisible by the number (14) 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 1020040410004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121973092352).
1020040410004 is an abundant number, since it is smaller than the sum of its proper divisors (1223905774700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020040410004 is a wasteful number, since it uses less digits than its factorization.
1020040410004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10373 (or 10371 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 1020040410004 its reverse (4000140400201), we get a palindrome (5020180810205).
The spelling of 1020040410004 in words is "one trillion, twenty billion, forty million, four hundred ten thousand, four".
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