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1442660002 = 27103047143
BaseRepresentation
bin101010111111101…
…0011111010100010
310201112121201110221
41111333103322202
510423310110002
6355053113254
750515256560
oct12577237242
93645551427
101442660002
116803868a3
1234318882a
1319cb66c94
14d9858a30
15869bec37
hex55fd3ea2

1442660002 has 8 divisors (see below), whose sum is σ = 2473131456. Its totient is φ = 618282852.

The previous prime is 1442659979. The next prime is 1442660003. The reversal of 1442660002 is 2000662441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1442660003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51523558 + ... + 51523585.

It is an arithmetic number, because the mean of its divisors is an integer number (309141432).

Almost surely, 21442660002 is an apocalyptic number.

1442660002 is a deficient number, since it is larger than the sum of its proper divisors (1030471454).

1442660002 is a wasteful number, since it uses less digits than its factorization.

1442660002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103047152.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1442660002 is about 37982.3643550530. The cubic root of 1442660002 is about 1129.9381285465.

The spelling of 1442660002 in words is "one billion, four hundred forty-two million, six hundred sixty thousand, two".

Divisors: 1 2 7 14 103047143 206094286 721330001 1442660002