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906820678027 = 1182438243457
BaseRepresentation
bin11010011001000101011…
…10010111000110001011
310012200122220002102112001
431030202232113012023
5104324132043144102
61532330534131431
7122341601404135
oct15144256270613
93180586072461
10906820678027
1131a6426a5190
121278b84b0b77
1367688897974
1431c671c4055
15188c6223487
hexd322b9718b

906820678027 has 4 divisors (see below), whose sum is σ = 989258921496. Its totient is φ = 824382434560.

The previous prime is 906820678019. The next prime is 906820678051. The reversal of 906820678027 is 720876028609.

906820678027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 906820678027 - 23 = 906820678019 is a prime.

It is a super-2 number, since 2×9068206780272 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906820678007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41219121718 + ... + 41219121739.

It is an arithmetic number, because the mean of its divisors is an integer number (247314730374).

Almost surely, 2906820678027 is an apocalyptic number.

906820678027 is a deficient number, since it is larger than the sum of its proper divisors (82438243469).

906820678027 is a wasteful number, since it uses less digits than its factorization.

906820678027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82438243468.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 906820678027 in words is "nine hundred six billion, eight hundred twenty million, six hundred seventy-eight thousand, twenty-seven".

Divisors: 1 11 82438243457 906820678027