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1316972064 = 25313718459
BaseRepresentation
bin100111001111111…
…0110011000100000
310101210010010001010
41032133312120200
510144121101224
6334403140520
744431035462
oct11637663040
93353103033
101316972064
1161643a671
12309074740
1317cacb115
14c6c9c132
157a943e29
hex4e7f6620

1316972064 has 24 divisors (see below), whose sum is σ = 3457051920. Its totient is φ = 438990656.

The previous prime is 1316972057. The next prime is 1316972131. The reversal of 1316972064 is 4602796131.

1316972064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6859134 + ... + 6859325.

It is an arithmetic number, because the mean of its divisors is an integer number (144043830).

Almost surely, 21316972064 is an apocalyptic number.

It is an amenable number.

1316972064 is an abundant number, since it is smaller than the sum of its proper divisors (2140079856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316972064 is a wasteful number, since it uses less digits than its factorization.

1316972064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13718472 (or 13718464 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1316972064 is about 36290.1097270317. The cubic root of 1316972064 is about 1096.1218984598.

The spelling of 1316972064 in words is "one billion, three hundred sixteen million, nine hundred seventy-two thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 13718459 27436918 41155377 54873836 82310754 109747672 164621508 219495344 329243016 438990688 658486032 1316972064