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1316539976 = 231789108769
BaseRepresentation
bin100111001111000…
…1100111001001000
310101202022011022212
41032132030321020
510144013234401
6334350004252
744424255653
oct11636147110
93352264285
101316539976
11616174a74
12308aa6688
1317c9a954b
14c6bc889a
157a8aadbb
hex4e78ce48

1316539976 has 32 divisors (see below), whose sum is σ = 2643111000. Its totient is φ = 612581376.

The previous prime is 1316539967. The next prime is 1316539979. The reversal of 1316539976 is 6799356131.

It can be written as a sum of positive squares in 4 ways, for example, as 1070991076 + 245548900 = 32726^2 + 15670^2 .

It is not an unprimeable number, because it can be changed into a prime (1316539979) 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, 42281 + ... + 66488.

Almost surely, 21316539976 is an apocalyptic number.

It is an amenable number.

1316539976 is an abundant number, since it is smaller than the sum of its proper divisors (1326571024).

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

1316539976 is a wasteful number, since it uses less digits than its factorization.

1316539976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108881 (or 108877 counting only the distinct ones).

The product of its digits is 918540, while the sum is 50.

The square root of 1316539976 is about 36284.1559912863. The cubic root of 1316539976 is about 1096.0020090716.

The spelling of 1316539976 in words is "one billion, three hundred sixteen million, five hundred thirty-nine thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 17 34 68 89 136 178 356 712 1513 3026 6052 12104 108769 217538 435076 870152 1849073 3698146 7396292 9680441 14792584 19360882 38721764 77443528 164567497 329134994 658269988 1316539976