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542440031520413 = 13678320393679919
BaseRepresentation
bin111101101010110001010100…
…1011001000000011010011101
32122010121202112110021211002002
41323111202221121000122131
51032044314141032123123
65201401302121412045
7222153666440651525
oct17325425131003235
92563552473254062
10542440031520413
11147924586457894
1250a0861903a025
131a389b4c59b420
1497d4347ddc685
1542aa19b652528
hex1ed58a964069d

542440031520413 has 32 divisors (see below), whose sum is σ = 600322718822400. Its totient is φ = 487058755778496.

The previous prime is 542440031520383. The next prime is 542440031520469. The reversal of 542440031520413 is 314025130044245.

It is a cyclic number.

It is not a de Polignac number, because 542440031520413 - 228 = 542439763084957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542440031520473) 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, 145565468 + ... + 149245386.

It is an arithmetic number, because the mean of its divisors is an integer number (18760084963200).

Almost surely, 2542440031520413 is an apocalyptic number.

It is an amenable number.

542440031520413 is a deficient number, since it is larger than the sum of its proper divisors (57882687301987).

542440031520413 is a wasteful number, since it uses less digits than its factorization.

542440031520413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682121.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 542440031520413 its reverse (314025130044245), we get a palindrome (856465161564658).

The spelling of 542440031520413 in words is "five hundred forty-two trillion, four hundred forty billion, thirty-one million, five hundred twenty thousand, four hundred thirteen".

Divisors: 1 13 67 83 871 1079 2039 5561 26507 72293 136613 169237 1775969 2200081 3679919 11338879 47838947 147405427 246554573 305433277 3205209449 3970632601 7503354841 20464029559 97543612933 266032384267 502724774347 622778451803 6535422066511 8096119873439 41726156270801 542440031520413