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101010010101010 = 2510101001010101
BaseRepresentation
bin10110111101111000111001…
…110001010101010100010010
3111020122110111021111202212121
4112331320321301111110102
5101214422000041213020
6554455205200244454
730163506133303243
oct2675707161252422
9436573437452777
10101010010101010
112a20411741611a
12b3b450001072a
13444928422777a
141ad2ca688acca
15ba277ec3bbaa
hex5bde39c55512

101010010101010 has 8 divisors (see below), whose sum is σ = 181818018181836. Its totient is φ = 40404004040400.

The previous prime is 101010010100947. The next prime is 101010010101019. The reversal of 101010010101010 is 10101010010101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81448116069321 + 19561894031689 = 9024861^2 + 4422883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1010100101010102 (a number of 29 digits) contains 22 as substring.

101010010101010 is a modest number, since divided by 10101010 gives 1010100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 101010010100984 and 101010010101002.

It is not an unprimeable number, because it can be changed into a prime (101010010101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050500505041 + ... + 5050500505060.

Almost surely, 2101010010101010 is an apocalyptic number.

101010010101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101010010101010 is a deficient number, since it is larger than the sum of its proper divisors (80808008080826).

101010010101010 is a wasteful number, since it uses less digits than its factorization.

101010010101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101001010108.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101010010101010 its reverse (10101010010101), we get a palindrome (111111020111111).

Subtracting from 101010010101010 its reverse (10101010010101), we obtain a palindrome (90909000090909).

The spelling of 101010010101010 in words is "one hundred one trillion, ten billion, ten million, one hundred one thousand, ten".

Divisors: 1 2 5 10 10101001010101 20202002020202 50505005050505 101010010101010