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4012685894070 = 23257172337795573
BaseRepresentation
bin111010011001000110101…
…101111010000110110110
3112012121102222102220001200
4322121012231322012312
51011220440042102240
612311222532433330
7562623045221040
oct72310655720666
915177388386050
104012685894070
111307852638647
12549828478846
132315190a0c29
14dc3020a2a90
156e5a4a63930
hex3a646b7a1b6

4012685894070 has 768 divisors, whose sum is σ = 13703456931840. Its totient is φ = 793073369088.

The previous prime is 4012685894069. The next prime is 4012685894081. The reversal of 4012685894070 is 704985862104.

It is a happy number.

4012685894070 is a `hidden beast` number, since 4 + 0 + 12 + 6 + 8 + 589 + 40 + 7 + 0 = 666.

It is a super-2 number, since 2×40126858940702 (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4012685893998 and 4012685894016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 720019804 + ... + 720025376.

It is an arithmetic number, because the mean of its divisors is an integer number (17843042880).

Almost surely, 24012685894070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012685894070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6851728465920).

4012685894070 is an abundant number, since it is smaller than the sum of its proper divisors (9690771037770).

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

4012685894070 is a wasteful number, since it uses less digits than its factorization.

4012685894070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5746 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 4012685894070 in words is "four trillion, twelve billion, six hundred eighty-five million, eight hundred ninety-four thousand, seventy".