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20284143302 = 2231015697673
BaseRepresentation
bin10010111001000001…
…110111011011000110
31221100122012020120202
4102321001313123012
5313020220041202
613152435330502
71315442242013
oct227101673306
957318166522
1020284143302
1186699630a5
123b21150a32
131bb3513177
14da5d2c70a
157dab96802
hex4b90776c6

20284143302 has 32 divisors (see below), whose sum is σ = 32123977920. Its totient is φ = 9586931200.

The previous prime is 20284143287. The next prime is 20284143337. The reversal of 20284143302 is 20334148202.

It is a super-2 number, since 2×202841433022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2639738 + ... + 2647410.

It is an arithmetic number, because the mean of its divisors is an integer number (1003874310).

Almost surely, 220284143302 is an apocalyptic number.

20284143302 is a deficient number, since it is larger than the sum of its proper divisors (11839834618).

20284143302 is a wasteful number, since it uses less digits than its factorization.

20284143302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 20284143302 in words is "twenty billion, two hundred eighty-four million, one hundred forty-three thousand, three hundred two".

Divisors: 1 2 23 46 101 202 569 1138 2323 4646 7673 13087 15346 26174 57469 114938 176479 352958 774973 1321787 1549946 2643574 4365937 8731874 17824379 35648758 100416551 200833102 440959637 881919274 10142071651 20284143302