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100242011 = 233342967
BaseRepresentation
bin1011111100110…
…01001001011011
320222121211012002
411332121021123
5201130221021
613540311215
72325020522
oct576311133
9228554162
10100242011
1151647341
12296a250b
13179c99cc
14d4554b9
158c0150b
hex5f9925b

100242011 has 4 divisors (see below), whose sum is σ = 100287312. Its totient is φ = 100196712.

The previous prime is 100241993. The next prime is 100242019. The reversal of 100242011 is 110242001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100242011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100241983 and 100242001.

It is not an unprimeable number, because it can be changed into a prime (100242019) 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, 19151 + ... + 23816.

It is an arithmetic number, because the mean of its divisors is an integer number (25071828).

Almost surely, 2100242011 is an apocalyptic number.

100242011 is a deficient number, since it is larger than the sum of its proper divisors (45301).

100242011 is an equidigital number, since it uses as much as digits as its factorization.

100242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45300.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100242011 is about 10012.0932376801. The cubic root of 100242011 is about 464.5330202243.

Adding to 100242011 its reverse (110242001), we get a palindrome (210484012).

The spelling of 100242011 in words is "one hundred million, two hundred forty-two thousand, eleven".

Divisors: 1 2333 42967 100242011