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20310145560126 = 2332362112632873
BaseRepresentation
bin1001001111000110100110…
…00000101110111000111110
32122220122000222001101111000
410213203103000232320332
510130230134230411001
6111110204013511130
74164234224544612
oct447432300567076
978818028041430
1020310145560126
116520536758874
1223402aa7a24a6
13b44314005b56
145030329b3342
152534a80a6a86
hex1278d302ee3e

20310145560126 has 64 divisors (see below), whose sum is σ = 47103590269440. Its totient is φ = 6474653507520.

The previous prime is 20310145560097. The next prime is 20310145560169. The reversal of 20310145560126 is 62106554101302.

20310145560126 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 1 + 45 + 5 + 601 + 2 + 6 = 666.

It is a super-2 number, since 2×203101455601262 (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 in 31 ways as a sum of consecutive naturals, for example, 6397626 + ... + 9030498.

It is an arithmetic number, because the mean of its divisors is an integer number (735993597960).

Almost surely, 220310145560126 is an apocalyptic number.

20310145560126 is an abundant number, since it is smaller than the sum of its proper divisors (26793444709314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310145560126 is a wasteful number, since it uses less digits than its factorization.

20310145560126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639118 (or 2639112 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 20310145560126 its reverse (62106554101302), we get a palindrome (82416699661428).

The spelling of 20310145560126 in words is "twenty trillion, three hundred ten billion, one hundred forty-five million, five hundred sixty thousand, one hundred twenty-six".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 6211 12422 18633 37266 55899 111798 142853 167697 285706 335394 428559 857118 1285677 2571354 2632873 3857031 5265746 7714062 7898619 15797238 23695857 47391714 60556079 71087571 121112158 142175142 181668237 363336474 545004711 1090009422 1635014133 3270028266 16352774203 32705548406 49058322609 98116645218 147174967827 294349935654 376113806669 441524903481 752227613338 883049806962 1128341420007 2256682840014 3385024260021 6770048520042 10155072780063 20310145560126