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101018000 = 245353953
BaseRepresentation
bin1100000010101…
…10100110010000
321001002020122102
412001112212100
5201330034000
614005055532
72334432056
oct601264620
9231066572
10101018000
1152027356
12299b75a8
1317c0bc85
14d5b81d6
158d063d5
hex6056990

101018000 has 80 divisors (see below), whose sum is σ = 249131376. Its totient is φ = 39603200.

The previous prime is 101017999. The next prime is 101018009. The reversal of 101018000 is 810101.

It can be written as a sum of positive squares in 8 ways, for example, as 26091664 + 74926336 = 5108^2 + 8656^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (101018009) 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, 105524 + ... + 106476.

Almost surely, 2101018000 is an apocalyptic number.

101018000 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 101018000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124565688).

101018000 is an abundant number, since it is smaller than the sum of its proper divisors (148113376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101018000 is an equidigital number, since it uses as much as digits as its factorization.

101018000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 101018000 is about 10050.7711146956. The cubic root of 101018000 is about 465.7286145401.

Adding to 101018000 its reverse (810101), we get a palindrome (101828101).

The spelling of 101018000 in words is "one hundred one million, eighteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 125 200 212 250 265 400 424 500 530 848 953 1000 1060 1325 1906 2000 2120 2650 3812 4240 4765 5300 6625 7624 9530 10600 13250 15248 19060 21200 23825 26500 38120 47650 50509 53000 76240 95300 101018 106000 119125 190600 202036 238250 252545 381200 404072 476500 505090 808144 953000 1010180 1262725 1906000 2020360 2525450 4040720 5050900 6313625 10101800 12627250 20203600 25254500 50509000 101018000