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20102012011210 = 2514913491283229
BaseRepresentation
bin1001001001000010111010…
…10010010000001011001010
32122011201210210001121102011
410210201131102100023022
510113322410033324320
6110430423053330134
74143215411556163
oct444413522201312
978151723047364
1020102012011210
1164502407a3a18
122307aa319694a
13b2a7c48b494c
144d6d2a5c276a
1524cd75a5705a
hex12485d4902ca

20102012011210 has 16 divisors (see below), whose sum is σ = 36426464721000. Its totient is φ = 7986839670976.

The previous prime is 20102012011201. The next prime is 20102012011271. The reversal of 20102012011210 is 1211021020102.

It can be written as a sum of positive squares in 4 ways, for example, as 4609656234121 + 15492355777089 = 2147011^2 + 3936033^2 .

It is a super-2 number, since 2×201020120112102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6745640125 + ... + 6745643104.

Almost surely, 220102012011210 is an apocalyptic number.

20102012011210 is a deficient number, since it is larger than the sum of its proper divisors (16324452709790).

20102012011210 is a wasteful number, since it uses less digits than its factorization.

20102012011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491283385.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102012011210 its reverse (1211021020102), we get a palindrome (21313033031312).

The spelling of 20102012011210 in words is "twenty trillion, one hundred two billion, twelve million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 149 298 745 1490 13491283229 26982566458 67456416145 134912832290 2010201201121 4020402402242 10051006005605 20102012011210