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20366722712 = 237675428231
BaseRepresentation
bin10010111101111100…
…111000011010011000
31221120101120201020102
4102331330320122120
5313202340111322
613204545314532
71320464200220
oct227574703230
957511521212
1020366722712
118701536246
123b44935a48
131bc766761b
14db2ca7080
157e3059792
hex4bdf38698

20366722712 has 32 divisors (see below), whose sum is σ = 44294373120. Its totient is φ = 8598316320.

The previous prime is 20366722693. The next prime is 20366722741. The reversal of 20366722712 is 21722766302.

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, 2710364 + ... + 2717867.

It is an arithmetic number, because the mean of its divisors is an integer number (1384199160).

Almost surely, 220366722712 is an apocalyptic number.

It is an amenable number.

20366722712 is an abundant number, since it is smaller than the sum of its proper divisors (23927650408).

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

20366722712 is a wasteful number, since it uses less digits than its factorization.

20366722712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428311 (or 5428307 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 20366722712 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-two thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 469 536 938 1876 3752 5428231 10856462 21712924 37997617 43425848 75995234 151990468 303980936 363691477 727382954 1454765908 2545840339 2909531816 5091680678 10183361356 20366722712