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1071620059 = 3140078627
BaseRepresentation
bin111111110111111…
…001111111011011
32202200102221100211
4333313321333123
54143313320214
6254200311551
735361422506
oct7767717733
92680387324
101071620059
114aa9a1014
1225aa725b7
13141025213
14a247213d
156412c0c4
hex3fdf9fdb

1071620059 has 8 divisors (see below), whose sum is σ = 1106592768. Its totient is φ = 1036672680.

The previous prime is 1071620057. The next prime is 1071620131. The reversal of 1071620059 is 9500261701.

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 1071620059 - 21 = 1071620057 is a prime.

It is a super-2 number, since 2×10716200592 = 2296739101702326962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071620059.

It is not an unprimeable number, because it can be changed into a prime (1071620051) 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, 119904 + ... + 128530.

It is an arithmetic number, because the mean of its divisors is an integer number (138324096).

Almost surely, 21071620059 is an apocalyptic number.

1071620059 is a deficient number, since it is larger than the sum of its proper divisors (34972709).

1071620059 is an equidigital number, since it uses as much as digits as its factorization.

1071620059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1071620059 is about 32735.6084256884. The cubic root of 1071620059 is about 1023.3250643076.

The spelling of 1071620059 in words is "one billion, seventy-one million, six hundred twenty thousand, fifty-nine".

Divisors: 1 31 4007 8627 124217 267437 34568389 1071620059