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1272064341 = 32831498309
BaseRepresentation
bin100101111010010…
…0010100101010101
310021122121120020010
41023310202211111
510101122024331
6330120430433
743344240252
oct11364424525
93248546203
101272064341
115a3057849
122b6018419
131737067c2
14c0d2c429
1576a22e46
hex4bd22955

1272064341 has 8 divisors (see below), whose sum is σ = 1702080160. Its totient is φ = 845045712.

The previous prime is 1272064337. The next prime is 1272064349. The reversal of 1272064341 is 1434602721.

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

It is not a de Polignac number, because 1272064341 - 22 = 1272064337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1272064299 and 1272064308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272064349) 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, 748306 + ... + 750003.

It is an arithmetic number, because the mean of its divisors is an integer number (212760020).

Almost surely, 21272064341 is an apocalyptic number.

It is an amenable number.

1272064341 is a deficient number, since it is larger than the sum of its proper divisors (430015819).

1272064341 is a wasteful number, since it uses less digits than its factorization.

1272064341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498595.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1272064341 is about 35666.0110048769. The cubic root of 1272064341 is about 1083.5185714225.

The spelling of 1272064341 in words is "one billion, two hundred seventy-two million, sixty-four thousand, three hundred forty-one".

Divisors: 1 3 283 849 1498309 4494927 424021447 1272064341