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102004100284285 = 520400820056857
BaseRepresentation
bin10111001100010110101110…
…001010011011111101111101
3111101011111102010120101212201
4113030112232022123331331
5101332213344133044120
61000540011535031501
730325360460402023
oct2714265612337575
9441144363511781
10102004100284285
112a557772407261
12b5350b296b591
1344bbc3a011a24
141b2904c07c713
15bbd56273140a
hex5cc5ae29bf7d

102004100284285 has 4 divisors (see below), whose sum is σ = 122404920341148. Its totient is φ = 81603280227424.

The previous prime is 102004100284241. The next prime is 102004100284301. The reversal of 102004100284285 is 582482001400201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47014801146756 + 54989299137529 = 6856734^2 + 7415477^2 .

It is a cyclic number.

It is not a de Polignac number, because 102004100284285 - 227 = 102003966066557 is a prime.

It is a super-2 number, since 2×1020041002842852 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10200410028424 + ... + 10200410028433.

It is an arithmetic number, because the mean of its divisors is an integer number (30601230085287).

Almost surely, 2102004100284285 is an apocalyptic number.

It is an amenable number.

102004100284285 is a deficient number, since it is larger than the sum of its proper divisors (20400820056863).

102004100284285 is an equidigital number, since it uses as much as digits as its factorization.

102004100284285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400820056862.

The product of its (nonzero) digits is 40960, while the sum is 37.

Adding to 102004100284285 its reverse (582482001400201), we get a palindrome (684486101684486).

The spelling of 102004100284285 in words is "one hundred two trillion, four billion, one hundred million, two hundred eighty-four thousand, two hundred eighty-five".

Divisors: 1 5 20400820056857 102004100284285