Search a number
-
+
13669820514 = 2327127854257
BaseRepresentation
bin11001011101100100…
…01110100001100010
31022021200011211110200
430232302032201202
5210443433224024
610140235410030
7662515362060
oct145662164142
938250154420
1013669820514
115885291529
122795bb3916
13139b0a54bc
149396c9030
155501622c9
hex32ec8e862

13669820514 has 48 divisors (see below), whose sum is σ = 34115647488. Its totient is φ = 3874905216.

The previous prime is 13669820497. The next prime is 13669820557. The reversal of 13669820514 is 41502896631.

It is a self number, because there is not a number n which added to its sum of digits gives 13669820514.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411127 + ... + 443130.

It is an arithmetic number, because the mean of its divisors is an integer number (710742656).

Almost surely, 213669820514 is an apocalyptic number.

13669820514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13669820514 is an abundant number, since it is smaller than the sum of its proper divisors (20445826974).

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

13669820514 is a wasteful number, since it uses less digits than its factorization.

13669820514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854399 (or 854396 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 13669820514 in words is "thirteen billion, six hundred sixty-nine million, eight hundred twenty thousand, five hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 127 254 381 762 889 1143 1778 2286 2667 5334 8001 16002 854257 1708514 2562771 5125542 5979799 7688313 11959598 15376626 17939397 35878794 53818191 107636382 108490639 216981278 325471917 650943834 759434473 976415751 1518868946 1952831502 2278303419 4556606838 6834910257 13669820514