Base | Representation |
---|---|
bin | 11101111010011001000… |
… | …000001001101000101000 |
3 | 21021111202121021101210210 |
4 | 131322121000021220220 |
5 | 232134242144233000 |
6 | 4212151204541120 |
7 | 301336503640455 |
oct | 35723100115050 |
9 | 7244677241723 |
10 | 2055561321000 |
11 | 7228388606a0 |
12 | 29246b3b17a0 |
13 | 11bab9538085 |
14 | 716bda3a82c |
15 | 3870ac06350 |
hex | 1de99009a28 |
2055561321000 has 128 divisors (see below), whose sum is σ = 6996383372160. Its totient is φ = 498317888000.
The previous prime is 2055561320999. The next prime is 2055561321001. The reversal of 2055561321000 is 1231655502.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2055561320999) and next prime (2055561321001).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2055561321001) 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 31 ways as a sum of consecutive naturals, for example, 31111869 + ... + 31177868.
It is an arithmetic number, because the mean of its divisors is an integer number (54659245095).
Almost surely, 22055561321000 is an apocalyptic number.
2055561321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2055561321000 is an abundant number, since it is smaller than the sum of its proper divisors (4940822051160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2055561321000 is a wasteful number, since it uses less digits than its factorization.
2055561321000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62289772 (or 62289758 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 30.
Adding to 2055561321000 its reverse (1231655502), we get a palindrome (2056792976502).
The spelling of 2055561321000 in words is "two trillion, fifty-five billion, five hundred sixty-one million, three hundred twenty-one thousand".
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