Base | Representation |
---|---|
bin | 10010000010111001000… |
… | …011010111110110011010 |
3 | 11101112210120201122200110 |
4 | 102002321003113312122 |
5 | 130304113121002310 |
6 | 2345401251345150 |
7 | 155406503466351 |
oct | 22027103276632 |
9 | 4345716648613 |
10 | 1240055250330 |
11 | 4389a4951566 |
12 | 1803b7bb21b6 |
13 | 8cc23c43370 |
14 | 4403a198998 |
15 | 223cb487d20 |
hex | 120b90d7d9a |
1240055250330 has 128 divisors (see below), whose sum is σ = 3401706067200. Its totient is φ = 286602522624.
The previous prime is 1240055250323. The next prime is 1240055250359. The reversal of 1240055250330 is 330525500421.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2554776 + ... + 3001164.
It is an arithmetic number, because the mean of its divisors is an integer number (26575828650).
Almost surely, 21240055250330 is an apocalyptic number.
1240055250330 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 1240055250330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700853033600).
1240055250330 is an abundant number, since it is smaller than the sum of its proper divisors (2161650816870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240055250330 is a wasteful number, since it uses less digits than its factorization.
1240055250330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446848.
The product of its (nonzero) digits is 18000, while the sum is 30.
The spelling of 1240055250330 in words is "one trillion, two hundred forty billion, fifty-five million, two hundred fifty thousand, three hundred thirty".
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