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29284064047 = 74183437721
BaseRepresentation
bin11011010001011101…
…110101101100101111
32210120212010120212201
4123101131311230233
5434433210022142
621241455042331
72054454303010
oct332135655457
983525116781
1029284064047
11114680aa827
1258132103a7
1329b8c66364
1415bb323007
15b65d59ab7
hex6d1775b2f

29284064047 has 4 divisors (see below), whose sum is σ = 33467501776. Its totient is φ = 25100626320.

The previous prime is 29284064009. The next prime is 29284064093. The reversal of 29284064047 is 74046048292.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-29284064047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29284063988 and 29284064006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29284064647) 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, 2091718854 + ... + 2091718867.

It is an arithmetic number, because the mean of its divisors is an integer number (8366875444).

Almost surely, 229284064047 is an apocalyptic number.

29284064047 is a deficient number, since it is larger than the sum of its proper divisors (4183437729).

29284064047 is an equidigital number, since it uses as much as digits as its factorization.

29284064047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183437728.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 29284064047 in words is "twenty-nine billion, two hundred eighty-four million, sixty-four thousand, forty-seven".

Divisors: 1 7 4183437721 29284064047