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142010003 = 1271118189
BaseRepresentation
bin10000111011011…
…10011010010011
3100220012212002202
420131232122103
5242323310003
622031433415
73343031222
oct1035563223
9326185082
10142010003
1173185243
123b68586b
13235621b5
1414c08cb9
15c702088
hex876e693

142010003 has 4 divisors (see below), whose sum is σ = 143128320. Its totient is φ = 140891688.

The previous prime is 142009997. The next prime is 142010017. The reversal of 142010003 is 300010241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300010241 = 373804317.

It is a cyclic number.

It is not a de Polignac number, because 142010003 - 224 = 125232787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142010023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558968 + ... + 559221.

It is an arithmetic number, because the mean of its divisors is an integer number (35782080).

Almost surely, 2142010003 is an apocalyptic number.

142010003 is a deficient number, since it is larger than the sum of its proper divisors (1118317).

142010003 is a wasteful number, since it uses less digits than its factorization.

142010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118316.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 142010003 is about 11916.7949969780. The cubic root of 142010003 is about 521.7225947357.

Adding to 142010003 its reverse (300010241), we get a palindrome (442020244).

The spelling of 142010003 in words is "one hundred forty-two million, ten thousand, three".

Divisors: 1 127 1118189 142010003