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101007001 = 187753813
BaseRepresentation
bin1100000010100…
…11111010011001
321001001200120001
412001103322121
5201324211001
614004533001
72334355024
oct601237231
9231050501
10101007001
115201a067
12299b1161
1317c06c74
14d5b41bb
158d03001
hex6053e99

101007001 has 4 divisors (see below), whose sum is σ = 101062692. Its totient is φ = 100951312.

The previous prime is 101006999. The next prime is 101007019. The reversal of 101007001 is 100700101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60047001 + 40960000 = 7749^2 + 6400^2 .

It is a cyclic number.

It is not a de Polignac number, because 101007001 - 21 = 101006999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101007031) 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, 25030 + ... + 28783.

It is an arithmetic number, because the mean of its divisors is an integer number (25265673).

Almost surely, 2101007001 is an apocalyptic number.

It is an amenable number.

101007001 is a deficient number, since it is larger than the sum of its proper divisors (55691).

101007001 is an equidigital number, since it uses as much as digits as its factorization.

101007001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55690.

The product of its (nonzero) digits is 7, while the sum is 10.

The square root of 101007001 is about 10050.2239278535. The cubic root of 101007001 is about 465.7117108366.

Adding to 101007001 its reverse (100700101), we get a palindrome (201707102).

The spelling of 101007001 in words is "one hundred one million, seven thousand, one".

Divisors: 1 1877 53813 101007001