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665434357355 = 5585722722703
BaseRepresentation
bin10011010111011101111…
…10100111111001101011
32100121121021010211002002
421223232332213321223
541400302143413410
61225410223401215
766035040466115
oct11535676477153
92317537124062
10665434357355
1123723338a789
12a8b7075320b
134a99a226c61
14242c87843b5
15124997257a5
hex9aeefa7e6b

665434357355 has 8 divisors (see below), whose sum is σ = 798657600192. Its totient is φ = 532256571648.

The previous prime is 665434357351. The next prime is 665434357391. The reversal of 665434357355 is 553753434566.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 665434357355 - 22 = 665434357351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 665434357355.

It is not an unprimeable number, because it can be changed into a prime (665434357351) 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, 11332067 + ... + 11390636.

It is an arithmetic number, because the mean of its divisors is an integer number (99832200024).

Almost surely, 2665434357355 is an apocalyptic number.

665434357355 is a deficient number, since it is larger than the sum of its proper divisors (133223242837).

665434357355 is a wasteful number, since it uses less digits than its factorization.

665434357355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728565.

The product of its digits is 68040000, while the sum is 56.

The spelling of 665434357355 in words is "six hundred sixty-five billion, four hundred thirty-four million, three hundred fifty-seven thousand, three hundred fifty-five".

Divisors: 1 5 5857 29285 22722703 113613515 133086871471 665434357355