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47919628309 = 738317873789
BaseRepresentation
bin101100101000001110…
…111000000000010101
311120200121020100011111
4230220032320000111
51241114411101214
634003003535021
73314331056110
oct545016700025
9146617210144
1047919628309
1119360421003
12935422a471
134698a65067
142468313577
1513a6e085c4
hexb283b8015

47919628309 has 8 divisors (see below), whose sum is σ = 54908282880. Its totient is φ = 40966722096.

The previous prime is 47919628301. The next prime is 47919628327. The reversal of 47919628309 is 90382691974.

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 47919628309 - 23 = 47919628301 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 (47919628301) 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, 8934214 + ... + 8939575.

It is an arithmetic number, because the mean of its divisors is an integer number (6863535360).

Almost surely, 247919628309 is an apocalyptic number.

It is an amenable number.

47919628309 is a deficient number, since it is larger than the sum of its proper divisors (6988654571).

47919628309 is a wasteful number, since it uses less digits than its factorization.

47919628309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17874179.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 47919628309 in words is "forty-seven billion, nine hundred nineteen million, six hundred twenty-eight thousand, three hundred nine".

Divisors: 1 7 383 2681 17873789 125116523 6845661187 47919628309