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134442430211 = 521571451921
BaseRepresentation
bin111110100110101100…
…1001010111100000011
3110212000112011002020002
41331031121022330003
54200314230231321
6141432331510215
712466415541635
oct1751531127403
9425015132202
10134442430211
1152020279761
12220805b836b
13c8a737256b
1467154aaa55
15376cd7e20b
hex1f4d64af03

134442430211 has 8 divisors (see below), whose sum is σ = 134936678448. Its totient is φ = 133949088000.

The previous prime is 134442430193. The next prime is 134442430223. The reversal of 134442430211 is 112034244431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134442430211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134442430711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71531 + ... + 523451.

It is an arithmetic number, because the mean of its divisors is an integer number (16867084806).

Almost surely, 2134442430211 is an apocalyptic number.

134442430211 is a deficient number, since it is larger than the sum of its proper divisors (494248237).

134442430211 is an equidigital number, since it uses as much as digits as its factorization.

134442430211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453013.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 134442430211 its reverse (112034244431), we get a palindrome (246476674642).

The spelling of 134442430211 in words is "one hundred thirty-four billion, four hundred forty-two million, four hundred thirty thousand, two hundred eleven".

Divisors: 1 521 571 297491 451921 235450841 258046891 134442430211