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42706394761056 = 253131924114831559
BaseRepresentation
bin10011011010111010110110…
…11111010100011101100000
312121012200200002010210001120
421231131123133110131200
521044200144024323211
6230455014044332240
711665302162665415
oct1155353337243540
9177180602123046
1042706394761056
1112675753542144
124958951244080
131aaa271090640
14a7900167c10c
154e0d583b5d06
hex26d75b7d4760

42706394761056 has 576 divisors, whose sum is σ = 130695712842240. Its totient is φ = 12129222942720.

The previous prime is 42706394761013. The next prime is 42706394761109. The reversal of 42706394761056 is 65016749360724.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27393453205 + ... + 27393454763.

It is an arithmetic number, because the mean of its divisors is an integer number (226902279240).

Almost surely, 242706394761056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42706394761056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65347856421120).

42706394761056 is an abundant number, since it is smaller than the sum of its proper divisors (87989318081184).

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

42706394761056 is a wasteful number, since it uses less digits than its factorization.

42706394761056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 42706394761056 in words is "forty-two trillion, seven hundred six billion, three hundred ninety-four million, seven hundred sixty-one thousand, fifty-six".