| Base | Representation |
|---|---|
| bin | 10010000011111000001… |
| … | …110000111011111100000 |
| 3 | 11101122112102220010011122 |
| 4 | 102003320032013133200 |
| 5 | 130313300422002040 |
| 6 | 2350054350231412 |
| 7 | 155444662463420 |
| oct | 22037016073740 |
| 9 | 4348472803148 |
| 10 | 1241115031520 |
| 11 | 439399096891 |
| 12 | 180652ab5568 |
| 13 | 90062681a20 |
| 14 | 440dac28480 |
| 15 | 2243e5271b5 |
| hex | 120f83877e0 |
1241115031520 has 288 divisors, whose sum is σ = 3833561971008. Its totient is φ = 369685757952.
The previous prime is 1241115031517. The next prime is 1241115031523. The reversal of 1241115031520 is 251305111421.
It is an interprime number because it is at equal distance from previous prime (1241115031517) and next prime (1241115031523).
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 1241115031520.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1241115031523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4060364 + ... + 4355316.
It is an arithmetic number, because the mean of its divisors is an integer number (13310979066).
Almost surely, 21241115031520 is an apocalyptic number.
1241115031520 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 1241115031520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916780985504).
1241115031520 is an abundant number, since it is smaller than the sum of its proper divisors (2592446939488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241115031520 is a wasteful number, since it uses less digits than its factorization.
1241115031520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295022 (or 294997 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 26.
The spelling of 1241115031520 in words is "one trillion, two hundred forty-one billion, one hundred fifteen million, thirty-one thousand, five hundred twenty".
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