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47717472019 = 78976593053
BaseRepresentation
bin101100011100001011…
…101101011100010011
311120011111211201212111
4230130023231130103
51240211133101034
633530543010151
73306324551140
oct543413553423
9146144751774
1047717472019
11192672a5a98
1292b8599957
134665c04459
14244952d3c7
1513942c5364
hexb1c2ed713

47717472019 has 8 divisors (see below), whose sum is σ = 55146998880. Its totient is φ = 40441131456.

The previous prime is 47717472017. The next prime is 47717472037. The reversal of 47717472019 is 91027471774.

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 47717472019 - 21 = 47717472017 is a prime.

It is a super-2 number, since 2×477174720192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47717472017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38295904 + ... + 38297149.

It is an arithmetic number, because the mean of its divisors is an integer number (6893374860).

Almost surely, 247717472019 is an apocalyptic number.

47717472019 is a deficient number, since it is larger than the sum of its proper divisors (7429526861).

47717472019 is an equidigital number, since it uses as much as digits as its factorization.

47717472019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76593149.

The product of its (nonzero) digits is 691488, while the sum is 49.

The spelling of 47717472019 in words is "forty-seven billion, seven hundred seventeen million, four hundred seventy-two thousand, nineteen".

Divisors: 1 7 89 623 76593053 536151371 6816781717 47717472019