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5217750561 = 31939011659
BaseRepresentation
bin1001101110000000…
…01000111000100001
3111110122010012011210
410313000020320201
541141221004221
62221430300333
7243205101522
oct46700107041
914418105153
105217750561
112238314251
1210174b76a9
13651cbc48a
14376d84849
1520811a276
hex137008e21

5217750561 has 8 divisors (see below), whose sum is σ = 6993048160. Its totient is φ = 3460476672.

The previous prime is 5217750553. The next prime is 5217750581. The reversal of 5217750561 is 1650577125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5217750561 - 23 = 5217750553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217750521) 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, 4505251 + ... + 4506408.

It is an arithmetic number, because the mean of its divisors is an integer number (874131020).

Almost surely, 25217750561 is an apocalyptic number.

It is an amenable number.

5217750561 is a deficient number, since it is larger than the sum of its proper divisors (1775297599).

5217750561 is a wasteful number, since it uses less digits than its factorization.

5217750561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011855.

The product of its (nonzero) digits is 73500, while the sum is 39.

The square root of 5217750561 is about 72233.9986502201. The cubic root of 5217750561 is about 1734.4472834051.

The spelling of 5217750561 in words is "five billion, two hundred seventeen million, seven hundred fifty thousand, five hundred sixty-one".

Divisors: 1 3 193 579 9011659 27034977 1739250187 5217750561