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101050801 = 203949559
BaseRepresentation
bin1100000010111…
…10100110110001
321001010220122021
412001132212301
5201332111201
614005511441
72334626515
oct601364661
9231126567
10101050801
1152049a65
1229a12581
1317c20b97
14d5c6145
158d10ea1
hex605e9b1

101050801 has 4 divisors (see below), whose sum is σ = 101102400. Its totient is φ = 100999204.

The previous prime is 101050783. The next prime is 101050823. The reversal of 101050801 is 108050101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 108050101 = 372920273.

It is a cyclic number.

It is not a de Polignac number, because 101050801 - 25 = 101050769 is a prime.

It is a super-2 number, since 2×1010508012 = 20422528765483202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101050841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22741 + ... + 26818.

It is an arithmetic number, because the mean of its divisors is an integer number (25275600).

Almost surely, 2101050801 is an apocalyptic number.

It is an amenable number.

101050801 is a deficient number, since it is larger than the sum of its proper divisors (51599).

101050801 is an equidigital number, since it uses as much as digits as its factorization.

101050801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51598.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 101050801 is about 10052.4027476022. The cubic root of 101050801 is about 465.7790171454.

The spelling of 101050801 in words is "one hundred one million, fifty thousand, eight hundred one".

Divisors: 1 2039 49559 101050801