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13291900209 = 327210982543
BaseRepresentation
bin11000110000100001…
…00100110100110001
31021022100001111021100
430120100210310301
5204210211301314
610034535315013
7650246200440
oct143020446461
937270044240
1013291900209
115700a273a5
1226ab51ba69
13133a9c4b13
14901430d57
1552bdb0c09
hex318424d31

13291900209 has 12 divisors (see below), whose sum is σ = 21942184576. Its totient is φ = 7595371512.

The previous prime is 13291900121. The next prime is 13291900231. The reversal of 13291900209 is 90200919231.

It is a happy number.

It is not a de Polignac number, because 13291900209 - 27 = 13291900081 is a prime.

It is a super-2 number, since 2×132919002092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13291900709) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 105491209 + ... + 105491334.

Almost surely, 213291900209 is an apocalyptic number.

It is an amenable number.

13291900209 is a deficient number, since it is larger than the sum of its proper divisors (8650284367).

13291900209 is a wasteful number, since it uses less digits than its factorization.

13291900209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210982556 (or 210982553 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 13291900209 in words is "thirteen billion, two hundred ninety-one million, nine hundred thousand, two hundred nine".

Divisors: 1 3 7 9 21 63 210982543 632947629 1476877801 1898842887 4430633403 13291900209