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38401406320542 = 2319932161981843
BaseRepresentation
bin10001011101101000001100…
…01011101011111110011110
312000222010202000220000110020
420232310012023223332132
520013132040004224132
6213401210145453010
711042260435005366
oct1056640613537636
9160863660800406
1038401406320542
1111265a43822071
124382549341166
131857310b24075
1496a8d08a79a6
15468d96d2a52c
hex22ed062ebf9e

38401406320542 has 16 divisors (see below), whose sum is σ = 77188756425600. Its totient is φ = 12736144809432.

The previous prime is 38401406320477. The next prime is 38401406320559. The reversal of 38401406320542 is 24502360410483.

It is a junction number, because it is equal to n+sod(n) for n = 38401406320494 and 38401406320503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080989728 + ... + 16080992115.

It is an arithmetic number, because the mean of its divisors is an integer number (4824297276600).

Almost surely, 238401406320542 is an apocalyptic number.

38401406320542 is an abundant number, since it is smaller than the sum of its proper divisors (38787350105058).

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

38401406320542 is a wasteful number, since it uses less digits than its factorization.

38401406320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32161982047.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 38401406320542 in words is "thirty-eight trillion, four hundred one billion, four hundred six million, three hundred twenty thousand, five hundred forty-two".

Divisors: 1 2 3 6 199 398 597 1194 32161981843 64323963686 96485945529 192971891058 6400234386757 12800468773514 19200703160271 38401406320542