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12000502025440 = 255193947533561
BaseRepresentation
bin1010111010100001010110…
…1010010000110011100000
31120111020101121201122020021
42232220111222100303200
53033104012004303230
641304542102123224
72346002425113355
oct256502552206340
946436347648207
1012000502025440
1139074255a4a65
12141993ba20514
13690847703866
142d6b8254062c
1515c262038c7a
hexaea15a90ce0

12000502025440 has 48 divisors (see below), whose sum is σ = 29843353728720. Its totient is φ = 4547558661120.

The previous prime is 12000502025429. The next prime is 12000502025441. The reversal of 12000502025440 is 4452020500021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000502025441) 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 7 ways as a sum of consecutive naturals, for example, 1973763741 + ... + 1973769820.

It is an arithmetic number, because the mean of its divisors is an integer number (621736536015).

Almost surely, 212000502025440 is an apocalyptic number.

12000502025440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000502025440 is an abundant number, since it is smaller than the sum of its proper divisors (17842851703280).

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

12000502025440 is a wasteful number, since it uses less digits than its factorization.

12000502025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947533595 (or 3947533587 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 12000502025440 its reverse (4452020500021), we get a palindrome (16452522525461).

The spelling of 12000502025440 in words is "twelve trillion, five hundred two million, twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 3947533561 7895067122 15790134244 19737667805 31580268488 39475335610 63160536976 75003137659 78950671220 126321073952 150006275318 157901342440 300012550636 315802684880 375015688295 600025101272 631605369760 750031376590 1200050202544 1500062753180 2400100405088 3000125506360 6000251012720 12000502025440