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100100110010101 = 472129789574683
BaseRepresentation
bin10110110000101001011111…
…011111111100011011110101
3111010102110212202221222000121
4112300221133133330123311
5101110020011130310401
6552521204455411541
730040665020164015
oct2660513737743365
9433373782858017
10100100110010101
1129993244550513
12b2880a4383bb1
1343b1527692506
141aa0c2a70bc45
15b88c784d9ca1
hex5b0a5f7fc6f5

100100110010101 has 4 divisors (see below), whose sum is σ = 102229899584832. Its totient is φ = 97970320435372.

The previous prime is 100100110010099. The next prime is 100100110010123. The reversal of 100100110010101 is 101010011001001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100100110010101 - 21 = 100100110010099 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 (100100110010171) 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, 1064894787295 + ... + 1064894787388.

It is an arithmetic number, because the mean of its divisors is an integer number (25557474896208).

Almost surely, 2100100110010101 is an apocalyptic number.

It is an amenable number.

100100110010101 is a deficient number, since it is larger than the sum of its proper divisors (2129789574731).

100100110010101 is an equidigital number, since it uses as much as digits as its factorization.

100100110010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129789574730.

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

Adding to 100100110010101 its reverse (101010011001001), we get a palindrome (201110121011102).

The spelling of 100100110010101 in words is "one hundred trillion, one hundred billion, one hundred ten million, ten thousand, one hundred one".

Divisors: 1 47 2129789574683 100100110010101