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1001432142 = 23255635119
BaseRepresentation
bin111011101100001…
…010010001001110
32120210101000122100
4323230022101032
54022331312032
6243212055530
733550014144
oct7354122116
92523330570
101001432142
11474311877
1223b4645a6
1312c61bcc9
1497001594
155cdb597c
hex3bb0a44e

1001432142 has 12 divisors (see below), whose sum is σ = 2169769680. Its totient is φ = 333810708.

The previous prime is 1001432123. The next prime is 1001432143. The reversal of 1001432142 is 2412341001.

1001432142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 55635119 = 1001432142 / (1 + 0 + 0 + 1 + 4 + 3 + 2 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001432143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27817542 + ... + 27817577.

It is an arithmetic number, because the mean of its divisors is an integer number (180814140).

Almost surely, 21001432142 is an apocalyptic number.

1001432142 is an abundant number, since it is smaller than the sum of its proper divisors (1168337538).

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

1001432142 is a wasteful number, since it uses less digits than its factorization.

1001432142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55635127 (or 55635124 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1001432142 is about 31645.4126533373. The cubic root of 1001432142 is about 1000.4771529555.

Adding to 1001432142 its reverse (2412341001), we get a palindrome (3413773143).

The spelling of 1001432142 in words is "one billion, one million, four hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 55635119 111270238 166905357 333810714 500716071 1001432142