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142103313 = 32111997213
BaseRepresentation
bin10000111100001…
…01001100010001
3100220101121002200
420132011030101
5242334301223
622033433413
73343600242
oct1036051421
9326347080
10142103313
1173239360
123b70b869
1323595801
1414c30cc9
15c71ea43
hex8785311

142103313 has 24 divisors (see below), whose sum is σ = 225076800. Its totient is φ = 85678560.

The previous prime is 142103309. The next prime is 142103321. The reversal of 142103313 is 313301241.

It is not a de Polignac number, because 142103313 - 22 = 142103309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142103303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16095 + ... + 23307.

It is an arithmetic number, because the mean of its divisors is an integer number (9378200).

Almost surely, 2142103313 is an apocalyptic number.

It is an amenable number.

142103313 is a deficient number, since it is larger than the sum of its proper divisors (82973487).

142103313 is a wasteful number, since it uses less digits than its factorization.

142103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429 (or 7426 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 142103313 is about 11920.7094168091. The cubic root of 142103313 is about 521.8368385114.

Adding to 142103313 its reverse (313301241), we get a palindrome (455404554).

The spelling of 142103313 in words is "one hundred forty-two million, one hundred three thousand, three hundred thirteen".

Divisors: 1 3 9 11 33 99 199 597 1791 2189 6567 7213 19701 21639 64917 79343 238029 714087 1435387 4306161 12918483 15789257 47367771 142103313