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20758253058147 = 311883217122179
BaseRepresentation
bin1001011100001001010000…
…10011001011100001100011
32201111110200100100212102210
410232010220103023201203
510210100400240330042
6112052113152413203
74241506601461113
oct456045023134143
981443610325383
1020758253058147
1166835867594a0
1223b3108b47203
13b776582a7147
1451a9c1dd1043
1525ee83118a9c
hex12e1284cb863

20758253058147 has 16 divisors (see below), whose sum is σ = 30194168734080. Its totient is φ = 12580615219200.

The previous prime is 20758253058113. The next prime is 20758253058199. The reversal of 20758253058147 is 74185035285702.

It is not a de Polignac number, because 20758253058147 - 215 = 20758253025379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20758253058047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 646497 + ... + 6475682.

It is an arithmetic number, because the mean of its divisors is an integer number (1887135545880).

Almost surely, 220758253058147 is an apocalyptic number.

20758253058147 is a deficient number, since it is larger than the sum of its proper divisors (9435915675933).

20758253058147 is a wasteful number, since it uses less digits than its factorization.

20758253058147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210514.

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 20758253058147 in words is "twenty trillion, seven hundred fifty-eight billion, two hundred fifty-three million, fifty-eight thousand, one hundred forty-seven".

Divisors: 1 3 11 33 88321 264963 971531 2914593 7122179 21366537 78343969 235031907 629037971459 1887113914377 6919417686049 20758253058147