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4997546749 = 133677104549
BaseRepresentation
bin1001010011110000…
…01000001011111101
3110220021202200100001
410221320020023331
540213332443444
62143522434301
7234562306066
oct45170101375
913807680301
104997546749
112134a91928
12b75802991
136184b0070
14355a2356d
151e3b1e8d4
hex129e082fd

4997546749 has 8 divisors (see below), whose sum is σ = 5383488600. Its totient is φ = 4611821376.

The previous prime is 4997546717. The next prime is 4997546753. The reversal of 4997546749 is 9476457994.

It can be written as a sum of positive squares in 4 ways, for example, as 413308900 + 4584237849 = 20330^2 + 67707^2 .

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 4997546749 - 25 = 4997546717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997546759) 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, 4474 + ... + 100075.

It is an arithmetic number, because the mean of its divisors is an integer number (672936075).

Almost surely, 24997546749 is an apocalyptic number.

It is an amenable number.

4997546749 is a deficient number, since it is larger than the sum of its proper divisors (385941851).

4997546749 is a wasteful number, since it uses less digits than its factorization.

4997546749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108239.

The product of its digits is 68584320, while the sum is 64.

The square root of 4997546749 is about 70693.3288861120. The cubic root of 4997546749 is about 1709.6962342446.

The spelling of 4997546749 in words is "four billion, nine hundred ninety-seven million, five hundred forty-six thousand, seven hundred forty-nine".

Divisors: 1 13 3677 47801 104549 1359137 384426673 4997546749