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13717408780 = 225685870439
BaseRepresentation
bin11001100011001111…
…10000110000001100
31022101222201120022001
430301213300300030
5211043124040110
610145055402044
7663634023265
oct146147606014
938358646261
1013717408780
1158aa135279
1227a9b23324
1313a7bc7c3a
14941b5596c
1555441263a
hex3319f0c0c

13717408780 has 12 divisors (see below), whose sum is σ = 28806558480. Its totient is φ = 5486963504.

The previous prime is 13717408769. The next prime is 13717408787. The reversal of 13717408780 is 8780471731.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13717408780.

It is not an unprimeable number, because it can be changed into a prime (13717408787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342935200 + ... + 342935239.

It is an arithmetic number, because the mean of its divisors is an integer number (2400546540).

Almost surely, 213717408780 is an apocalyptic number.

13717408780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13717408780 is an abundant number, since it is smaller than the sum of its proper divisors (15089149700).

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

13717408780 is a wasteful number, since it uses less digits than its factorization.

13717408780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685870448 (or 685870446 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 46.

The spelling of 13717408780 in words is "thirteen billion, seven hundred seventeen million, four hundred eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 685870439 1371740878 2743481756 3429352195 6858704390 13717408780