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45487617009 = 317891914059
BaseRepresentation
bin101010010111010001…
…011111001111110001
311100102002222100211220
4222113101133033301
51221124312221014
632521405255253
73200140236132
oct522721371761
9140362870756
1045487617009
1118322634a0a
128995864529
13439bc4bb13
1422b731dc89
1512b365c6a9
hexa9745f3f1

45487617009 has 8 divisors (see below), whose sum is σ = 64217812320. Its totient is φ = 28541249856.

The previous prime is 45487616987. The next prime is 45487617011. The reversal of 45487617009 is 90071678454.

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

It is not a de Polignac number, because 45487617009 - 233 = 36897682417 is a prime.

It is a super-2 number, since 2×454876170092 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 891914059 = 45487617009 / (4 + 5 + 4 + 8 + 7 + 6 + 1 + 7 + 0 + 0 + 9).

It is not an unprimeable number, because it can be changed into a prime (45487617089) 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, 445956979 + ... + 445957080.

It is an arithmetic number, because the mean of its divisors is an integer number (8027226540).

Almost surely, 245487617009 is an apocalyptic number.

It is an amenable number.

45487617009 is a deficient number, since it is larger than the sum of its proper divisors (18730195311).

45487617009 is a wasteful number, since it uses less digits than its factorization.

45487617009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891914079.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 45487617009 in words is "forty-five billion, four hundred eighty-seven million, six hundred seventeen thousand, nine".

Divisors: 1 3 17 51 891914059 2675742177 15162539003 45487617009