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1006146993 = 3617517321
BaseRepresentation
bin111011111110001…
…001010110110001
32121010020120012110
4323332021112301
54030033200433
6243501115533
733635052105
oct7376112661
92533216173
101006146993
11476a42145
12240b58ba9
131305b0067
14978ab905
155d4e7963
hex3bf895b1

1006146993 has 16 divisors (see below), whose sum is σ = 1365523712. Its totient is φ = 658800000.

The previous prime is 1006146979. The next prime is 1006146997. The reversal of 1006146993 is 3996416001.

It is not a de Polignac number, because 1006146993 - 28 = 1006146737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006146997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133773 + ... + 141093.

It is an arithmetic number, because the mean of its divisors is an integer number (85345232).

Almost surely, 21006146993 is an apocalyptic number.

It is an amenable number.

1006146993 is a deficient number, since it is larger than the sum of its proper divisors (359376719).

1006146993 is an equidigital number, since it uses as much as digits as its factorization.

1006146993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1006146993 is about 31719.8201917981. The cubic root of 1006146993 is about 1002.0448135542.

The spelling of 1006146993 in words is "one billion, six million, one hundred forty-six thousand, nine hundred ninety-three".

Divisors: 1 3 61 183 751 2253 7321 21963 45811 137433 446581 1339743 5498071 16494213 335382331 1006146993