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20210012121110 = 257288714458873
BaseRepresentation
bin1001001100001100000101…
…00101111110100000010110
32122120001120111022122022112
410212012002211332200112
510122110101100333420
6110552203522431022
74154060640423230
oct446060245764026
978501514278275
1020210012121110
116492021a71a99
122324a04202472
13b37a46975516
144dc253d39250
15250a972ae8c5
hex12618297e816

20210012121110 has 16 divisors (see below), whose sum is σ = 41574882077856. Its totient is φ = 6929147012928.

The previous prime is 20210012121107. The next prime is 20210012121193. The reversal of 20210012121110 is 1112121001202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144357229367 + ... + 144357229506.

It is an arithmetic number, because the mean of its divisors is an integer number (2598430129866).

Almost surely, 220210012121110 is an apocalyptic number.

20210012121110 is an abundant number, since it is smaller than the sum of its proper divisors (21364869956746).

20210012121110 is a wasteful number, since it uses less digits than its factorization.

20210012121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288714458887.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20210012121110 its reverse (1112121001202), we get a palindrome (21322133122312).

The spelling of 20210012121110 in words is "twenty trillion, two hundred ten billion, twelve million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 288714458873 577428917746 1443572294365 2021001212111 2887144588730 4042002424222 10105006060555 20210012121110