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42555431324 = 2271937978427
BaseRepresentation
bin100111101000100000…
…000101100110011100
311001211202112220021002
4213220200011212130
51144123142300244
631314422325432
73034364124620
oct475040054634
9131752486232
1042555431324
111705848245a
1282b7889878
13402261c2c3
1420b9b2b180
151191011a4e
hex9e880599c

42555431324 has 24 divisors (see below), whose sum is σ = 85116339840. Its totient is φ = 18236868336.

The previous prime is 42555431291. The next prime is 42555431327. The reversal of 42555431324 is 42313455524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42555431327) 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, 503399 + ... + 581825.

It is an arithmetic number, because the mean of its divisors is an integer number (3546514160).

Almost surely, 242555431324 is an apocalyptic number.

It is an amenable number.

42555431324 is an abundant number, since it is smaller than the sum of its proper divisors (42560908516).

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

42555431324 is a wasteful number, since it uses less digits than its factorization.

42555431324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97817 (or 97815 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

Adding to 42555431324 its reverse (42313455524), we get a palindrome (84868886848).

The spelling of 42555431324 in words is "forty-two billion, five hundred fifty-five million, four hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 19379 38758 77516 78427 135653 156854 271306 313708 542612 548989 1097978 2195956 1519836833 3039673666 6079347332 10638857831 21277715662 42555431324