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71826057142 = 275209984917
BaseRepresentation
bin100001011100100101…
…0101010011110110110
320212101200101202100121
41002321022222132312
52134044432312032
652555121402154
75121626261260
oct1027112523666
9225350352317
1071826057142
1128508a33904
1211b0649935a
136a0885bb38
143695352b30
151d05ab4a97
hex10b92aa7b6

71826057142 has 16 divisors (see below), whose sum is σ = 123154146720. Its totient is φ = 30776655168.

The previous prime is 71826057113. The next prime is 71826057221. The reversal of 71826057142 is 24175062817.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419533 + ... + 565384.

It is an arithmetic number, because the mean of its divisors is an integer number (7697134170).

Almost surely, 271826057142 is an apocalyptic number.

71826057142 is a deficient number, since it is larger than the sum of its proper divisors (51328089578).

71826057142 is a wasteful number, since it uses less digits than its factorization.

71826057142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990135.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 71826057142 in words is "seventy-one billion, eight hundred twenty-six million, fifty-seven thousand, one hundred forty-two".

Divisors: 1 2 7 14 5209 10418 36463 72926 984917 1969834 6894419 13788838 5130432653 10260865306 35913028571 71826057142