| Base | Representation |
|---|---|
| bin | 1001101001000110010011… |
| … | …10010100010010000101000 |
| 3 | 2210002000112111120111111120 |
| 4 | 10310203021302202100220 |
| 5 | 10234343422033303000 |
| 6 | 113032403133055240 |
| 7 | 4315614426425412 |
| oct | 464431162422050 |
| 9 | 83060474514446 |
| 10 | 21203344041000 |
| 11 | 6835318a39680 |
| 12 | 2465425027520 |
| 13 | baa60b630a14 |
| 14 | 5343669479b2 |
| 15 | 26b8334236a0 |
| hex | 1348c9ca2428 |
21203344041000 has 256 divisors, whose sum is σ = 72185165694720. Its totient is φ = 5139015680000.
The previous prime is 21203344040999. The next prime is 21203344041001. The reversal of 21203344041000 is 14044330212.
It is an interprime number because it is at equal distance from previous prime (21203344040999) and next prime (21203344041001).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (21203344041001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147008920 + ... + 147153080.
It is an arithmetic number, because the mean of its divisors is an integer number (281973303495).
Almost surely, 221203344041000 is an apocalyptic number.
21203344041000 is a gapful number since it is divisible by the number (20) 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 21203344041000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36092582847360).
21203344041000 is an abundant number, since it is smaller than the sum of its proper divisors (50981821653720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21203344041000 is a wasteful number, since it uses less digits than its factorization.
21203344041000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148653 (or 148639 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 21203344041000 its reverse (14044330212), we get a palindrome (21217388371212).
The spelling of 21203344041000 in words is "twenty-one trillion, two hundred three billion, three hundred forty-four million, forty-one thousand".
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