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20353025978712 = 2332740382988053
BaseRepresentation
bin1001010000010110011101…
…11000100011000101011000
32200001201201101010100110100
410220023032320203011120
510131430444122304322
6111142015010015400
74200312646232340
oct450131670430530
980051641110410
1020353025978712
116537740620a39
122348677277560
13b48388a613bb
1450513d939d20
152546678b0dac
hex1282cee23158

20353025978712 has 48 divisors (see below), whose sum is σ = 62997461364240. Its totient is φ = 5815150279488.

The previous prime is 20353025978591. The next prime is 20353025978737. The reversal of 20353025978712 is 21787952035302.

20353025978712 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 30 + 2 + 597 + 8 + 7 + 12 = 666.

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 11 ways as a sum of consecutive naturals, for example, 20191493523 + ... + 20191494530.

It is an arithmetic number, because the mean of its divisors is an integer number (1312447111755).

Almost surely, 220353025978712 is an apocalyptic number.

It is an amenable number.

20353025978712 is an abundant number, since it is smaller than the sum of its proper divisors (42644435385528).

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

20353025978712 is a wasteful number, since it uses less digits than its factorization.

20353025978712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40382988072 (or 40382988065 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 20353025978712 in words is "twenty trillion, three hundred fifty-three billion, twenty-five million, nine hundred seventy-eight thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 40382988053 80765976106 121148964159 161531952212 242297928318 282680916371 323063904424 363446892477 484595856636 565361832742 726893784954 848042749113 969191713272 1130723665484 1453787569908 1696085498226 2261447330968 2544128247339 2907575139816 3392170996452 5088256494678 6784341992904 10176512989356 20353025978712