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101010100010101 = 718831611186257
BaseRepresentation
bin10110111101111000111111…
…001000010011110001110101
3111020122110201112200121221221
4112331320333020103301311
5101214422141100310401
6554455222131310341
730163511304440002
oct2675707710236165
9436573645617857
10101010100010101
112a204163145157
12b3b452614b3b1
134449299a47209
141ad2cb47b28a9
15ba2787a9b7a1
hex5bde3f213c75

101010100010101 has 8 divisors (see below), whose sum is σ = 102548782949184. Its totient is φ = 99474639445440.

The previous prime is 101010100010089. The next prime is 101010100010119. The reversal of 101010100010101 is 101010001010101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101010100010101 - 29 = 101010100009589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010100010191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805530436 + ... + 805655821.

It is an arithmetic number, because the mean of its divisors is an integer number (12818597868648).

Almost surely, 2101010100010101 is an apocalyptic number.

It is an amenable number.

101010100010101 is a deficient number, since it is larger than the sum of its proper divisors (1538682939083).

101010100010101 is an equidigital number, since it uses as much as digits as its factorization.

101010100010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611187211.

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

Adding to 101010100010101 its reverse (101010001010101), we get a palindrome (202020101020202).

The spelling of 101010100010101 in words is "one hundred one trillion, ten billion, one hundred million, ten thousand, one hundred one".

Divisors: 1 71 883 62693 1611186257 114394224247 1422677464931 101010100010101