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20014657377725 = 521773696390733
BaseRepresentation
bin1001000110100000001101…
…00010110001010110111101
32121212101022212220102221102
410203100012202301112331
510110410004242041400
6110322335012342445
74134003603462353
oct443200642612675
977771285812842
1020014657377725
11641719434394a
1222b2b84314a25
13b224b2b5a9ca
144d2a00b757d3
1524a961a6c9d5
hex1234068b15bd

20014657377725 has 24 divisors (see below), whose sum is σ = 26281637945640. Its totient is φ = 15067812280320.

The previous prime is 20014657377697. The next prime is 20014657377769. The reversal of 20014657377725 is 52777375641002.

It can be written as a sum of positive squares in 12 ways, for example, as 4924400371801 + 15090257005924 = 2219099^2 + 3884618^2 .

It is not a de Polignac number, because 20014657377725 - 220 = 20014656329149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63542 + ... + 6327191.

It is an arithmetic number, because the mean of its divisors is an integer number (1095068247735).

Almost surely, 220014657377725 is an apocalyptic number.

20014657377725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20014657377725 is a deficient number, since it is larger than the sum of its proper divisors (6266980567915).

20014657377725 is a wasteful number, since it uses less digits than its factorization.

20014657377725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398129 (or 6398124 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 56.

The spelling of 20014657377725 in words is "twenty trillion, fourteen billion, six hundred fifty-seven million, three hundred seventy-seven thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 425 7369 36845 125273 184225 626365 3131825 6390733 31953665 108642461 159768325 543212305 2716061525 47093311477 235466557385 800586295109 1177332786925 4002931475545 20014657377725