Base | Representation |
---|---|
bin | 11111001101010001001… |
… | …011001000101100101100 |
3 | 21121000110102012211211120 |
4 | 133031101023020230230 |
5 | 240114014420220122 |
6 | 4321105401020540 |
7 | 310636650641610 |
oct | 37152113105454 |
9 | 7530412184746 |
10 | 2144550554412 |
11 | 7575539748a2 |
12 | 2a7765784750 |
13 | 1272cbb206c6 |
14 | 75b225c7340 |
15 | 3abb847675c |
hex | 1f3512c8b2c |
2144550554412 has 48 divisors (see below), whose sum is σ = 5718887661312. Its totient is φ = 612719496000.
The previous prime is 2144550554381. The next prime is 2144550554413.
2144550554412 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (2144550554413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7010662 + ... + 7310162.
It is an arithmetic number, because the mean of its divisors is an integer number (119143492944).
Almost surely, 22144550554412 is an apocalyptic number.
It is an amenable number.
2144550554412 is an abundant number, since it is smaller than the sum of its proper divisors (3574337106900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144550554412 is a wasteful number, since it uses less digits than its factorization.
2144550554412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384758 (or 384756 counting only the distinct ones).
The product of its (nonzero) digits is 640000, while the sum is 42.
It can be divided in two parts, 2144550 and 554412, that added together give a palindrome (2698962).
The spelling of 2144550554412 in words is "two trillion, one hundred forty-four billion, five hundred fifty million, five hundred fifty-four thousand, four hundred twelve".
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