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89984974628737 = 471914573928271
BaseRepresentation
bin10100011101011101000010…
…011100101010011110000001
3102210121110221121012022221101
4110131131002130222132001
543243303212001104422
6515214305431454401
724645125362105546
oct2435350234523601
9383543847168841
1089984974628737
1126743460302361
12a113835b27401
133b2971512a4c6
141831420376bcd
15a60ab0704c27
hex51d74272a781

89984974628737 has 4 divisors (see below), whose sum is σ = 91899548557056. Its totient is φ = 88070400700420.

The previous prime is 89984974628707. The next prime is 89984974628749. The reversal of 89984974628737 is 73782647948998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89984974628737 - 27 = 89984974628609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89984974628707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957286964089 + ... + 957286964182.

It is an arithmetic number, because the mean of its divisors is an integer number (22974887139264).

Almost surely, 289984974628737 is an apocalyptic number.

It is an amenable number.

89984974628737 is a deficient number, since it is larger than the sum of its proper divisors (1914573928319).

89984974628737 is a wasteful number, since it uses less digits than its factorization.

89984974628737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914573928318.

The product of its digits is 73741860864, while the sum is 91.

The spelling of 89984974628737 in words is "eighty-nine trillion, nine hundred eighty-four billion, nine hundred seventy-four million, six hundred twenty-eight thousand, seven hundred thirty-seven".

Divisors: 1 47 1914573928271 89984974628737