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9988107231399 = 3114744931433293
BaseRepresentation
bin1001000101011000100110…
…0101010110000010100111
31022100212001100220000022020
42101112021211112002213
52302121120422401044
633124250105434223
72050421415441453
oct221261145260247
938325040800266
109988107231399
113200a29162a40
121153918a9b973
13575b4a299b3b
142675d9865663
15124c30d04a19
hex915899560a7

9988107231399 has 32 divisors (see below), whose sum is σ = 14840578335744. Its totient is φ = 5923279850880.

The previous prime is 9988107231379. The next prime is 9988107231409. The reversal of 9988107231399 is 9931327018899.

It is not a de Polignac number, because 9988107231399 - 225 = 9988073676967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988107231359) 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 31 ways as a sum of consecutive naturals, for example, 6251997 + ... + 7685289.

It is an arithmetic number, because the mean of its divisors is an integer number (463768072992).

Almost surely, 29988107231399 is an apocalyptic number.

9988107231399 is a deficient number, since it is larger than the sum of its proper divisors (4852471104345).

9988107231399 is a wasteful number, since it uses less digits than its factorization.

9988107231399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437847.

The product of its (nonzero) digits is 52907904, while the sum is 69.

The spelling of 9988107231399 in words is "nine trillion, nine hundred eighty-eight billion, one hundred seven million, two hundred thirty-one thousand, three hundred ninety-nine".

Divisors: 1 3 11 33 47 141 517 1551 4493 13479 49423 148269 211171 633513 1433293 2322881 4299879 6968643 15766223 47298669 67364771 202094313 741012481 2223037443 6439785449 19319356347 70837639939 212512919817 302669916103 908009748309 3329369077133 9988107231399