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75426303940 = 22513290101169
BaseRepresentation
bin100011000111111000…
…0100000111111000100
321012200120220020111121
41012033300200333010
52213433113211230
654352251243324
75310064001521
oct1061760407704
9235616806447
1075426303940
1129a96200589
1212750149544
1371606c73a0
143917568148
151e66bc477a
hex118fc20fc4

75426303940 has 24 divisors (see below), whose sum is σ = 170579487960. Its totient is φ = 27849712128.

The previous prime is 75426303893. The next prime is 75426303971. The reversal of 75426303940 is 4930362457.

It can be written as a sum of positive squares in 4 ways, for example, as 5006128516 + 70420175424 = 70754^2 + 265368^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 145050325 + ... + 145050844.

It is an arithmetic number, because the mean of its divisors is an integer number (7107478665).

Almost surely, 275426303940 is an apocalyptic number.

It is an amenable number.

75426303940 is an abundant number, since it is smaller than the sum of its proper divisors (95153184020).

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

75426303940 is a wasteful number, since it uses less digits than its factorization.

75426303940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290101191 (or 290101189 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 75426303940 in words is "seventy-five billion, four hundred twenty-six million, three hundred three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 290101169 580202338 1160404676 1450505845 2901011690 3771315197 5802023380 7542630394 15085260788 18856575985 37713151970 75426303940