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1970216608 = 2561569269
BaseRepresentation
bin111010101101111…
…0001111010100000
312002022022101002111
41311123301322200
513013333412413
6523300325104
766552364513
oct16533617240
95068271074
101970216608
11921154998
1246b9a3794
13255249b59
14149944d7a
15b7e7cd3d
hex756f1ea0

1970216608 has 12 divisors (see below), whose sum is σ = 3878864010. Its totient is φ = 985108288.

The previous prime is 1970216603. The next prime is 1970216627. The reversal of 1970216608 is 8066120791.

It can be written as a sum of positive squares in only one way, i.e., 1501407504 + 468809104 = 38748^2 + 21652^2 .

It is not an unprimeable number, because it can be changed into a prime (1970216603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30784603 + ... + 30784666.

Almost surely, 21970216608 is an apocalyptic number.

It is an amenable number.

1970216608 is a deficient number, since it is larger than the sum of its proper divisors (1908647402).

1970216608 is an equidigital number, since it uses as much as digits as its factorization.

1970216608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61569279 (or 61569271 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1970216608 is about 44387.1220963919. The cubic root of 1970216608 is about 1253.6356252383.

The spelling of 1970216608 in words is "one billion, nine hundred seventy million, two hundred sixteen thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 61569269 123138538 246277076 492554152 985108304 1970216608