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9953206989 = 311227419303
BaseRepresentation
bin10010100010100000…
…11110001011001101
3221200122201022011220
421101100132023031
5130341010110424
64323351433553
7501435602115
oct112120361315
927618638156
109953206989
114248364800
121b193858b9
13c280b59bb
146a5c62045
153d3c18579
hex25141e2cd

9953206989 has 12 divisors (see below), whose sum is σ = 14587069728. Its totient is φ = 6032246440.

The previous prime is 9953206987. The next prime is 9953206993. The reversal of 9953206989 is 9896023599.

It is not a de Polignac number, because 9953206989 - 21 = 9953206987 is a prime.

It is a super-2 number, since 2×99532069892 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9953206987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13709289 + ... + 13710014.

It is an arithmetic number, because the mean of its divisors is an integer number (1215589144).

Almost surely, 29953206989 is an apocalyptic number.

It is an amenable number.

9953206989 is a deficient number, since it is larger than the sum of its proper divisors (4633862739).

9953206989 is a wasteful number, since it uses less digits than its factorization.

9953206989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27419328 (or 27419317 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 60.

The square root of 9953206989 is about 99765.7606045280. The cubic root of 9953206989 is about 2151.0690186921.

The spelling of 9953206989 in words is "nine billion, nine hundred fifty-three million, two hundred six thousand, nine hundred eighty-nine".

Divisors: 1 3 11 33 121 363 27419303 82257909 301612333 904836999 3317735663 9953206989