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65670743245 = 541320345089
BaseRepresentation
bin111101001010010010…
…000000010011001101
320021111201002102001211
4331022102000103031
52033443202240440
650100235534421
74513245051562
oct751222002315
9207451072054
1065670743245
112593a471428
1210888bba411
136267553573
14326da74869
151a954eceea
hexf4a4804cd

65670743245 has 8 divisors (see below), whose sum is σ = 80726962680. Its totient is φ = 51255214080.

The previous prime is 65670743213. The next prime is 65670743251. The reversal of 65670743245 is 54234707656.

It can be written as a sum of positive squares in 4 ways, for example, as 1732057924 + 63938685321 = 41618^2 + 252861^2 .

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

It is not a de Polignac number, because 65670743245 - 25 = 65670743213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160172340 + ... + 160172749.

It is an arithmetic number, because the mean of its divisors is an integer number (10090870335).

Almost surely, 265670743245 is an apocalyptic number.

It is an amenable number.

65670743245 is a deficient number, since it is larger than the sum of its proper divisors (15056219435).

65670743245 is a wasteful number, since it uses less digits than its factorization.

65670743245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320345135.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 65670743245 in words is "sixty-five billion, six hundred seventy million, seven hundred forty-three thousand, two hundred forty-five".

Divisors: 1 5 41 205 320345089 1601725445 13134148649 65670743245