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89582257505 = 5131917215647
BaseRepresentation
bin101001101101110000…
…1001100010101100001
322120020010211012011002
41103123201030111201
52431431024220010
6105053054401345
76320634424256
oct1233341142541
9276203735132
1089582257505
1134a9a937a64
1215440b00255
1385a840ac80
14449b63942d
1524e48611a5
hex14db84c561

89582257505 has 16 divisors (see below), whose sum is σ = 116373970944. Its totient is φ = 65806691520.

The previous prime is 89582257493. The next prime is 89582257507. The reversal of 89582257505 is 50575228598.

It is not a de Polignac number, because 89582257505 - 24 = 89582257489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89582257507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595409 + ... + 3620238.

It is an arithmetic number, because the mean of its divisors is an integer number (7273373184).

Almost surely, 289582257505 is an apocalyptic number.

It is an amenable number.

89582257505 is a deficient number, since it is larger than the sum of its proper divisors (26791713439).

89582257505 is a wasteful number, since it uses less digits than its factorization.

89582257505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215856.

The product of its (nonzero) digits is 10080000, while the sum is 56.

The spelling of 89582257505 in words is "eighty-nine billion, five hundred eighty-two million, two hundred fifty-seven thousand, five hundred five".

Divisors: 1 5 13 65 191 955 2483 12415 7215647 36078235 93803411 469017055 1378188577 6890942885 17916451501 89582257505