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10101010020010 = 2571311100011011
BaseRepresentation
bin1001001011111101001100…
…0111010011011010101010
31022202122110202101221001121
42102333103013103122222
52310443332031120020
633252201232205454
72061526305345460
oct222772307233252
938678422357047
1010101010020010
1132448a59070a8
12117178799988a
135836a0ca2b30
1426cc6a388830
15127b3cb8cbaa
hex92fd31d36aa

10101010020010 has 32 divisors (see below), whose sum is σ = 22377622200192. Its totient is φ = 3196803170880.

The previous prime is 10101010019977. The next prime is 10101010020011. The reversal of 10101010020010 is 1002001010101.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 10101010019975 and 10101010020002.

It is not an unprimeable number, because it can be changed into a prime (10101010020011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5550004596 + ... + 5550006415.

It is an arithmetic number, because the mean of its divisors is an integer number (699300693756).

Almost surely, 210101010020010 is an apocalyptic number.

10101010020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101010020010 is an abundant number, since it is smaller than the sum of its proper divisors (12276612180182).

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

10101010020010 is a wasteful number, since it uses less digits than its factorization.

10101010020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100011038.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10101010020010 its reverse (1002001010101), we get a palindrome (11103011030111).

Subtracting from 10101010020010 its reverse (1002001010101), we obtain a palindrome (9099009009909).

The spelling of 10101010020010 in words is "ten trillion, one hundred one billion, ten million, twenty thousand, ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 11100011011 22200022022 55500055055 77700077077 111000110110 144300143143 155400154154 288600286286 388500385385 721500715715 777000770770 1010101002001 1443001431430 2020202004002 5050505010005 10101010020010