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9998143701 = 373131096857
BaseRepresentation
bin10010100111110111…
…11001000011010101
3221210210021022202120
421103323321003111
5130434011044301
64332034530153
7502522551000
oct112373710325
927723238676
109998143701
114270767387
121b30436959
13c344ba580
146abbdc537
153d7b42e36
hex253ef90d5

9998143701 has 64 divisors (see below), whose sum is σ = 16898112000. Its totient is φ = 5224601088.

The previous prime is 9998143697. The next prime is 9998143709. The reversal of 9998143701 is 1073418999.

It is a happy number.

It is not a de Polignac number, because 9998143701 - 22 = 9998143697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998143709) 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 63 ways as a sum of consecutive naturals, for example, 1454665 + ... + 1461521.

It is an arithmetic number, because the mean of its divisors is an integer number (264033000).

Almost surely, 29998143701 is an apocalyptic number.

9998143701 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9998143701 is a deficient number, since it is larger than the sum of its proper divisors (6899968299).

9998143701 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (9998143700) it forms an eRAP, since the sums of their prime factors are consecutive (7002 and 7003).

9998143701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003 (or 6989 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 9998143701 is about 99990.7180742293. The cubic root of 9998143701 is about 2154.3013726170.

The spelling of 9998143701 in words is "nine billion, nine hundred ninety-eight million, one hundred forty-three thousand, seven hundred one".

Divisors: 1 3 7 13 21 39 49 91 109 147 273 327 343 637 763 1029 1417 1911 2289 4251 4459 5341 6857 9919 13377 16023 20571 29757 37387 47999 69433 89141 112161 143997 208299 267423 335993 486031 623987 747413 1007979 1458093 1871961 2242239 2351951 4367909 5231891 7055853 9716369 13103727 15695673 29149107 30575363 36623237 68014583 91726089 109869711 204043749 256362659 476102081 769087977 1428306243 3332714567 9998143701