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13545545424 = 243727388169
BaseRepresentation
bin11001001110110000…
…01001111011010000
31021222000100000002120
430213120021323100
5210220124423144
610120040014240
7656446144035
oct144730117320
937860300076
1013545545424
11582111a844
122760461380
13137b412748
14926db938c
155442b4e19
hex327609ed0

13545545424 has 40 divisors (see below), whose sum is σ = 35040882240. Its totient is φ = 4508959488.

The previous prime is 13545545423. The next prime is 13545545443. The reversal of 13545545424 is 42454554531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545545423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159189 + ... + 228980.

It is an arithmetic number, because the mean of its divisors is an integer number (876022056).

Almost surely, 213545545424 is an apocalyptic number.

It is an amenable number.

13545545424 is an abundant number, since it is smaller than the sum of its proper divisors (21495336816).

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

13545545424 is a wasteful number, since it uses less digits than its factorization.

13545545424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388907 (or 388901 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The spelling of 13545545424 in words is "thirteen billion, five hundred forty-five million, five hundred forty-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 727 1454 2181 2908 4362 5816 8724 11632 17448 34896 388169 776338 1164507 1552676 2329014 3105352 4658028 6210704 9316056 18632112 282198863 564397726 846596589 1128795452 1693193178 2257590904 3386386356 4515181808 6772772712 13545545424