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1000000141 = 7238237547
BaseRepresentation
bin111011100110101…
…100101010001101
32120200200021022021
4323212230222031
54022000001031
6243121250141
733531601210
oct7346545215
92520607267
101000000141
114735239a8
1223aa93951
1312c23a27a
1496b4b777
155cbd1511
hex3b9aca8d

1000000141 has 16 divisors (see below), whose sum is σ = 1194153984. Its totient is φ = 818771184.

The previous prime is 1000000123. The next prime is 1000000181. The reversal of 1000000141 is 1410000001.

It is a happy number.

It is not a de Polignac number, because 1000000141 - 217 = 999869069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000181) 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 15 ways as a sum of consecutive naturals, for example, 128730 + ... + 136276.

It is an arithmetic number, because the mean of its divisors is an integer number (74634624).

Almost surely, 21000000141 is an apocalyptic number.

It is an amenable number.

1000000141 is a deficient number, since it is larger than the sum of its proper divisors (194153843).

1000000141 is an equidigital number, since it uses as much as digits as its factorization.

1000000141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1000000141 is about 31622.7788310895. The cubic root of 1000000141 is about 1000.0000470000. Note that the first 4 decimals are identical.

Adding to 1000000141 its reverse (1410000001), we get a palindrome (2410000142).

The spelling of 1000000141 in words is "one billion, one hundred forty-one", and thus it is an aban number.

Divisors: 1 7 23 161 823 5761 7547 18929 52829 132503 173581 1215067 6211181 43478267 142857163 1000000141