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1320212032 = 2620628313
BaseRepresentation
bin100111010110000…
…1101011001000000
310102000012201102221
41032230031121000
510200433241112
6335000420424
744500421446
oct11654153100
93360181387
101320212032
11618252927
1230a177714
13180693a69
14c74a2b96
157ad83e07
hex4eb0d640

1320212032 has 14 divisors (see below), whose sum is σ = 2619795878. Its totient is φ = 660105984.

The previous prime is 1320211957. The next prime is 1320212053. The reversal of 1320212032 is 2302120231.

It can be written as a sum of positive squares in only one way, i.e., 1234538496 + 85673536 = 35136^2 + 9256^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1320211997 and 1320212015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10314093 + ... + 10314220.

It is an arithmetic number, because the mean of its divisors is an integer number (187128277).

Almost surely, 21320212032 is an apocalyptic number.

It is an amenable number.

1320212032 is a deficient number, since it is larger than the sum of its proper divisors (1299583846).

1320212032 is an equidigital number, since it uses as much as digits as its factorization.

1320212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628325 (or 20628315 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320212032 is about 36334.7221263628. The cubic root of 1320212032 is about 1097.0200424178.

Adding to 1320212032 its reverse (2302120231), we get a palindrome (3622332263).

The spelling of 1320212032 in words is "one billion, three hundred twenty million, two hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 20628313 41256626 82513252 165026504 330053008 660106016 1320212032