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1996117201 = 132292572609
BaseRepresentation
bin111011011111010…
…0101010011010001
312011010001021000201
41312332211103101
513042001222301
6530023415201
7100315500451
oct16676452321
95133037021
101996117201
11934835441
124785b4501
1325a717c50
1414d167d61
15ba397201
hex76fa54d1

1996117201 has 16 divisors (see below), whose sum is σ = 2168283600. Its totient is φ = 1826684928.

The previous prime is 1996117177. The next prime is 1996117229. The reversal of 1996117201 is 1027116991.

It can be written as a sum of positive squares in 8 ways, for example, as 282240000 + 1713877201 = 16800^2 + 41399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996117201 - 217 = 1995986129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996117601) 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, 763785 + ... + 766393.

It is an arithmetic number, because the mean of its divisors is an integer number (135517725).

Almost surely, 21996117201 is an apocalyptic number.

It is an amenable number.

1996117201 is a deficient number, since it is larger than the sum of its proper divisors (172166399).

1996117201 is a wasteful number, since it uses less digits than its factorization.

1996117201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108.

The product of its (nonzero) digits is 6804, while the sum is 37.

The square root of 1996117201 is about 44677.9274474544. The cubic root of 1996117201 is about 1259.1051849949.

The spelling of 1996117201 in words is "one billion, nine hundred ninety-six million, one hundred seventeen thousand, two hundred one".

Divisors: 1 13 229 257 2609 2977 3341 33917 58853 597461 670513 765089 7766993 8716669 153547477 1996117201