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42163807446 = 233279432
BaseRepresentation
bin100111010001001010…
…001010010011010110
311000211110122100022000
4213101022022103112
51142322413314241
631211512420130
73021600310215
oct472112122326
9130743570260
1042163807446
1116977408662
1282086a7646
133c8c4513b7
14207db0707c
15116b954eb6
hex9d128a4d6

42163807446 has 24 divisors (see below), whose sum is σ = 93700703160. Its totient is φ = 14054099508.

The previous prime is 42163807417. The next prime is 42163807447. The reversal of 42163807446 is 64470836124.

42163807446 is a `hidden beast` number, since 4 + 2 + 1 + 638 + 0 + 7 + 4 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42163807447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1494951 + ... + 1522893.

It is an arithmetic number, because the mean of its divisors is an integer number (3904195965).

Almost surely, 242163807446 is an apocalyptic number.

42163807446 is an abundant number, since it is smaller than the sum of its proper divisors (51536895714).

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

42163807446 is an frugal number, since it uses more digits than its factorization.

42163807446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55897 (or 27948 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 42163807446 in words is "forty-two billion, one hundred sixty-three million, eight hundred seven thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 27943 55886 83829 167658 251487 502974 754461 1508922 780811249 1561622498 2342433747 4684867494 7027301241 14054602482 21081903723 42163807446