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1020300101 = 1760017653
BaseRepresentation
bin111100110100001…
…000101101000101
32122002212121121122
4330310020231011
54042144100401
6245124323325
734166256602
oct7464105505
92562777548
101020300101
11483a29627
12245843545
131334c7092
14997136a9
155e89121b
hex3cd08b45

1020300101 has 4 divisors (see below), whose sum is σ = 1080317772. Its totient is φ = 960282432.

The previous prime is 1020300037. The next prime is 1020300103. The reversal of 1020300101 is 1010030201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010030201 = 6949145349.

It can be written as a sum of positive squares in 2 ways, for example, as 590733025 + 429567076 = 24305^2 + 20726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020300101 - 26 = 1020300037 is a prime.

It is a super-2 number, since 2×10203001012 = 2082024592201220402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020300103) 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, 30008810 + ... + 30008843.

It is an arithmetic number, because the mean of its divisors is an integer number (270079443).

Almost surely, 21020300101 is an apocalyptic number.

It is an amenable number.

1020300101 is a deficient number, since it is larger than the sum of its proper divisors (60017671).

1020300101 is an equidigital number, since it uses as much as digits as its factorization.

1020300101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60017670.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1020300101 is about 31942.1367632161. The cubic root of 1020300101 is about 1006.7214216059.

Adding to 1020300101 its reverse (1010030201), we get a palindrome (2030330302).

The spelling of 1020300101 in words is "one billion, twenty million, three hundred thousand, one hundred one".

Divisors: 1 17 60017653 1020300101