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142011545213 = 379374700647
BaseRepresentation
bin1000010001000010001…
…1000011011001111101
3111120120000202222000202
42010100203003121331
54311314423421323
6145123400133245
713155115134416
oct2042043033175
9446500688022
10142011545213
11552548a68aa
1223633467225
131051254c335
146c3285080d
153a62614d28
hex21108c367d

142011545213 has 4 divisors (see below), whose sum is σ = 142386246240. Its totient is φ = 141636844188.

The previous prime is 142011545189. The next prime is 142011545261. The reversal of 142011545213 is 312545110241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142011545213 - 216 = 142011479677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011547213) 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, 187349945 + ... + 187350702.

It is an arithmetic number, because the mean of its divisors is an integer number (35596561560).

Almost surely, 2142011545213 is an apocalyptic number.

It is an amenable number.

142011545213 is a deficient number, since it is larger than the sum of its proper divisors (374701027).

142011545213 is an equidigital number, since it uses as much as digits as its factorization.

142011545213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374701026.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 142011545213 its reverse (312545110241), we get a palindrome (454556655454).

The spelling of 142011545213 in words is "one hundred forty-two billion, eleven million, five hundred forty-five thousand, two hundred thirteen".

Divisors: 1 379 374700647 142011545213