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1001012301 = 32111223589
BaseRepresentation
bin111011101010100…
…011110001001101
32120202120200201200
4323222203301031
54022224343201
6243155100113
733543315132
oct7352436115
92522520650
101001012301
114740553a3
1223b2a1639
1312c502b93
1496d32589
155cd31386
hex3baa3c4d

1001012301 has 6 divisors (see below), whose sum is σ = 1445906670. Its totient is φ = 667341528.

The previous prime is 1001012297. The next prime is 1001012303. The reversal of 1001012301 is 1032101001.

It can be written as a sum of positive squares in only one way, i.e., 905949801 + 95062500 = 30099^2 + 9750^2 .

It is not a de Polignac number, because 1001012301 - 22 = 1001012297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 111223589 = 1001012301 / (1 + 0 + 0 + 1 + 0 + 1 + 2 + 3 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001012303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55611786 + ... + 55611803.

It is an arithmetic number, because the mean of its divisors is an integer number (240984445).

Almost surely, 21001012301 is an apocalyptic number.

It is an amenable number.

1001012301 is a deficient number, since it is larger than the sum of its proper divisors (444894369).

1001012301 is a wasteful number, since it uses less digits than its factorization.

1001012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111223595 (or 111223592 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1001012301 is about 31638.7784372279. The cubic root of 1001012301 is about 1000.3373198692.

Adding to 1001012301 its reverse (1032101001), we get a palindrome (2033113302).

The spelling of 1001012301 in words is "one billion, one million, twelve thousand, three hundred one".

Divisors: 1 3 9 111223589 333670767 1001012301