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1147471013 = 137310911093
BaseRepresentation
bin100010001100101…
…0000010010100101
32221222011120022102
41010121100102211
54322223033023
6305510141445
740302225353
oct10431202245
92858146272
101147471013
11539798a57
12280351885
13153961c40
14ac5787d3
156ab11628
hex446504a5

1147471013 has 16 divisors (see below), whose sum is σ = 1264272240. Its totient is φ = 1035016704.

The previous prime is 1147471007. The next prime is 1147471063. The reversal of 1147471013 is 3101747411.

It can be written as a sum of positive squares in 8 ways, for example, as 17032129 + 1130438884 = 4127^2 + 33622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147471013 - 24 = 1147470997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147471063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97895 + ... + 108987.

It is an arithmetic number, because the mean of its divisors is an integer number (79017015).

Almost surely, 21147471013 is an apocalyptic number.

1147471013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1147471013 is a deficient number, since it is larger than the sum of its proper divisors (116801227).

1147471013 is a wasteful number, since it uses less digits than its factorization.

1147471013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1147471013 is about 33874.3415138951. The cubic root of 1147471013 is about 1046.9209914634.

The spelling of 1147471013 in words is "one billion, one hundred forty-seven million, four hundred seventy-one thousand, thirteen".

Divisors: 1 13 73 109 949 1417 7957 11093 103441 144209 809789 1209137 10527257 15718781 88267001 1147471013