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20310314205112 = 232538789275639
BaseRepresentation
bin1001001111000110111010…
…00100000011111110111000
32122220122110201101102220121
410213203131010003332320
510130231010414030422
6111110232440303024
74164241343161141
oct447433504037670
978818421342817
1020310314205112
116520612975298
122340337171a74
13b4433cc32499
1450304b152ac8
152534b7cba8c7
hex1278dd103fb8

20310314205112 has 8 divisors (see below), whose sum is σ = 38081839134600. Its totient is φ = 10155157102552.

The previous prime is 20310314205109. The next prime is 20310314205131. The reversal of 20310314205112 is 21150241301302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×203103142051122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269394637812 + ... + 1269394637827.

It is an arithmetic number, because the mean of its divisors is an integer number (4760229891825).

Almost surely, 220310314205112 is an apocalyptic number.

It is an amenable number.

20310314205112 is a deficient number, since it is larger than the sum of its proper divisors (17771524929488).

20310314205112 is a wasteful number, since it uses less digits than its factorization.

20310314205112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538789275645 (or 2538789275641 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 20310314205112 its reverse (21150241301302), we get a palindrome (41460555506414).

The spelling of 20310314205112 in words is "twenty trillion, three hundred ten billion, three hundred fourteen million, two hundred five thousand, one hundred twelve".

Divisors: 1 2 4 8 2538789275639 5077578551278 10155157102556 20310314205112