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7489796197049 = 29821314578361
BaseRepresentation
bin110110011111101101010…
…1001000100101010111001
3222112000110202220210101222
41230333122221010222321
51440203100311301144
623532433113521425
71402056063151115
oct154773251045271
928460422823358
107489796197049
11242844a770641
12a0b6a5713275
1342439179c97a
141bc718204745
15cec606182ee
hex6cfdaa44ab9

7489796197049 has 8 divisors (see below), whose sum is σ = 7757502406920. Its totient is φ = 7222719145600.

The previous prime is 7489796197043. The next prime is 7489796197069. The reversal of 7489796197049 is 9407916979847.

It can be written as a sum of positive squares in 4 ways, for example, as 935607383824 + 6554188813225 = 967268^2 + 2560115^2 .

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 7489796197049 - 28 = 7489796196793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7489796197043) 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, 157265372 + ... + 157312989.

It is an arithmetic number, because the mean of its divisors is an integer number (969687800865).

Almost surely, 27489796197049 is an apocalyptic number.

It is an amenable number.

7489796197049 is a deficient number, since it is larger than the sum of its proper divisors (267706209871).

7489796197049 is a wasteful number, since it uses less digits than its factorization.

7489796197049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314579211.

The product of its (nonzero) digits is 1728324864, while the sum is 80.

The spelling of 7489796197049 in words is "seven trillion, four hundred eighty-nine billion, seven hundred ninety-six million, one hundred ninety-seven thousand, forty-nine".

Divisors: 1 29 821 23809 314578361 9122772469 258268834381 7489796197049