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12550110311320 = 23515124138322511
BaseRepresentation
bin1011011010100000110011…
…0111011111001110011000
31122102210000202200101100021
42312220030313133032120
53121110111214430240
642405235135120224
72433500301344101
oct266501467371630
948383022611307
1012550110311320
113aa95210a992a
1214a8366673074
137006163c133a
143156000493a8
1516b6cce3854a
hexb6a0cddf398

12550110311320 has 128 divisors (see below), whose sum is σ = 28618493460480. Its totient is φ = 4952920320000.

The previous prime is 12550110311273. The next prime is 12550110311327. The reversal of 12550110311320 is 2311301105521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550110311327) 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, 557498865 + ... + 557521375.

It is an arithmetic number, because the mean of its divisors is an integer number (223581980160).

Almost surely, 212550110311320 is an apocalyptic number.

12550110311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12550110311320 is an abundant number, since it is smaller than the sum of its proper divisors (16068383149160).

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

12550110311320 is a wasteful number, since it uses less digits than its factorization.

12550110311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23297 (or 23293 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 12550110311320 its reverse (2311301105521), we get a palindrome (14861411416841).

The spelling of 12550110311320 in words is "twelve trillion, five hundred fifty billion, one hundred ten million, three hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 151 241 302 383 482 604 755 766 964 1205 1208 1510 1532 1915 1928 2410 3020 3064 3830 4820 6040 7660 9640 15320 22511 36391 45022 57833 72782 90044 92303 112555 115666 145564 180088 181955 184606 225110 231332 289165 291128 363910 369212 450220 461515 462664 578330 727820 738424 900440 923030 1156660 1455640 1846060 2313320 3399161 3692120 5425151 6798322 8621713 10850302 13596644 13937753 16995805 17243426 21700604 27125755 27193288 27875506 33991610 34486852 43108565 43401208 54251510 55751012 67983220 68973704 69688765 86217130 108503020 111502024 135966440 139377530 172434260 217006040 278755060 344868520 557510120 819197801 1301878663 1638395602 2077832833 2603757326 3276791204 4095989005 4155665666 5207514652 6509393315 6553582408 8191978010 8311331332 10389164165 10415029304 13018786630 16383956020 16622662664 20778328330 26037573260 32767912040 41556656660 52075146520 83113313320 313752757783 627505515566 1255011031132 1568763788915 2510022062264 3137527577830 6275055155660 12550110311320