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134031495469 = 429731191877
BaseRepresentation
bin111110011010011100…
…1100101000100101101
3110210221212220102201211
41330310321211010231
54143444030323334
6141323452034421
712453265625314
oct1746471450455
9423855812654
10134031495469
115192a315373
1221b86a62a11
13c8401a2b01
1466b6a9b27b
153746c5aa64
hex1f34e6512d

134031495469 has 4 divisors (see below), whose sum is σ = 134062691644. Its totient is φ = 134000299296.

The previous prime is 134031495467. The next prime is 134031495527. The reversal of 134031495469 is 964594130431.

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: 964594130431 = 5164718676673.

It can be written as a sum of positive squares in 2 ways, for example, as 45459783369 + 88571712100 = 213213^2 + 297610^2 .

It is a cyclic number.

It is not a de Polignac number, because 134031495469 - 21 = 134031495467 is a prime.

It is a super-2 number, since 2×1340314954692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134031495467) 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, 15591642 + ... + 15600235.

It is an arithmetic number, because the mean of its divisors is an integer number (33515672911).

Almost surely, 2134031495469 is an apocalyptic number.

It is an amenable number.

134031495469 is a deficient number, since it is larger than the sum of its proper divisors (31196175).

134031495469 is an equidigital number, since it uses as much as digits as its factorization.

134031495469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31196174.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 134031495469 in words is "one hundred thirty-four billion, thirty-one million, four hundred ninety-five thousand, four hundred sixty-nine".

Divisors: 1 4297 31191877 134031495469