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14507998806 = 237619758379
BaseRepresentation
bin11011000001011111…
…00111111001010110
31101110002100200221010
431200233213321112
5214203021430211
610355340433050
71022343645420
oct154057477126
941402320833
1014507998806
116175429264
12298a848786
1314a29349a2
149b8b51810
1559da2b4a6
hex360be7e56

14507998806 has 64 divisors (see below), whose sum is σ = 34052820480. Its totient is φ = 4035087360.

The previous prime is 14507998793. The next prime is 14507998807. The reversal of 14507998806 is 60889970541.

It is a super-4 number, since 4×145079988064 (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14507998807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219325 + ... + 277703.

It is an arithmetic number, because the mean of its divisors is an integer number (532075320).

Almost surely, 214507998806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14507998806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17026410240).

14507998806 is an abundant number, since it is smaller than the sum of its proper divisors (19544821674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14507998806 is a wasteful number, since it uses less digits than its factorization.

14507998806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58549.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 14507998806 in words is "fourteen billion, five hundred seven million, nine hundred ninety-eight thousand, eight hundred six".

Divisors: 1 2 3 6 7 14 21 42 61 97 122 183 194 291 366 427 582 679 854 1281 1358 2037 2562 4074 5917 11834 17751 35502 41419 58379 82838 116758 124257 175137 248514 350274 408653 817306 1225959 2451918 3561119 5662763 7122238 10683357 11325526 16988289 21366714 24927833 33976578 39639341 49855666 74783499 79278682 118918023 149566998 237836046 345428543 690857086 1036285629 2072571258 2417999801 4835999602 7253999403 14507998806