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1020000141 = 3337777783
BaseRepresentation
bin111100110010111…
…111011110001101
32122002022101011000
4330302333132031
54042110001031
6245114050513
734163600226
oct7462773615
92562271130
101020000141
11483844226
12245719a39
131334206a4
149967624d
155e8323e6
hex3ccbf78d

1020000141 has 8 divisors (see below), whose sum is σ = 1511111360. Its totient is φ = 680000076.

The previous prime is 1020000133. The next prime is 1020000143. The reversal of 1020000141 is 1410000201.

It is a happy number.

It is not a de Polignac number, because 1020000141 - 23 = 1020000133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020000143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18888865 + ... + 18888918.

It is an arithmetic number, because the mean of its divisors is an integer number (188888920).

Almost surely, 21020000141 is an apocalyptic number.

It is an amenable number.

1020000141 is a deficient number, since it is larger than the sum of its proper divisors (491111219).

1020000141 is an equidigital number, since it uses as much as digits as its factorization.

1020000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37777792 (or 37777786 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1020000141 is about 31937.4410527832. The cubic root of 1020000141 is about 1006.6227559437.

Adding to 1020000141 its reverse (1410000201), we get a palindrome (2430000342).

The spelling of 1020000141 in words is "one billion, twenty million, one hundred forty-one", and thus it is an aban number.

Divisors: 1 3 9 27 37777783 113333349 340000047 1020000141