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42552688000 = 27535945077
BaseRepresentation
bin100111101000010101…
…100111110110000000
311001211120101112010111
4213220111213312000
51144121442004000
631314243441104
73034331610604
oct475025476600
9131746345114
1042552688000
1117056979349
1282b6986194
134021b9b734
1420b9615504
151190b6dcba
hex9e8567d80

42552688000 has 128 divisors (see below), whose sum is σ = 107592170400. Its totient is φ = 16732211200.

The previous prime is 42552687973. The next prime is 42552688007. The reversal of 42552688000 is 88625524.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552688007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921462 + ... + 966538.

Almost surely, 242552688000 is an apocalyptic number.

42552688000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42552688000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53796085200).

42552688000 is an abundant number, since it is smaller than the sum of its proper divisors (65039482400).

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

42552688000 is an equidigital number, since it uses as much as digits as its factorization.

42552688000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45165 (or 45143 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 42552688000 in words is "forty-two billion, five hundred fifty-two million, six hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 59 64 80 100 118 125 128 160 200 236 250 295 320 400 472 500 590 640 800 944 1000 1180 1475 1600 1888 2000 2360 2950 3200 3776 4000 4720 5900 7375 7552 8000 9440 11800 14750 16000 18880 23600 29500 37760 45077 47200 59000 90154 94400 118000 180308 188800 225385 236000 360616 450770 472000 721232 901540 944000 1126925 1442464 1803080 2253850 2659543 2884928 3606160 4507700 5319086 5634625 5769856 7212320 9015400 10638172 11269250 13297715 14424640 18030800 21276344 22538500 26595430 28849280 36061600 42552688 45077000 53190860 66488575 72123200 85105376 90154000 106381720 132977150 144246400 170210752 180308000 212763440 265954300 332442875 340421504 360616000 425526880 531908600 664885750 721232000 851053760 1063817200 1329771500 1702107520 2127634400 2659543000 4255268800 5319086000 8510537600 10638172000 21276344000 42552688000