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100010100101 = 195263689479
BaseRepresentation
bin101110100100100010…
…0010000010110000101
3100120010212122110222112
41131021010100112011
53114310041200401
6113535523310405
710140225552602
oct1351104202605
9316125573875
10100010100101
113946110449a
121747121b405
13957a937a32
144baa52d6a9
1529050823bb
hex1749110585

100010100101 has 4 divisors (see below), whose sum is σ = 105273789600. Its totient is φ = 94746410604.

The previous prime is 100010100079. The next prime is 100010100109. The reversal of 100010100101 is 101001010001.

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 a de Polignac number, because none of the positive numbers 2k-100010100101 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 (100010100109) 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, 2631844721 + ... + 2631844758.

It is an arithmetic number, because the mean of its divisors is an integer number (26318447400).

Almost surely, 2100010100101 is an apocalyptic number.

It is an amenable number.

100010100101 is a deficient number, since it is larger than the sum of its proper divisors (5263689499).

100010100101 is an equidigital number, since it uses as much as digits as its factorization.

100010100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263689498.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100010100101 its reverse (101001010001), we get a palindrome (201011110102).

The spelling of 100010100101 in words is "one hundred billion, ten million, one hundred thousand, one hundred one".

Divisors: 1 19 5263689479 100010100101