Search a number
-
+
1020202030097 = 13613041246497
BaseRepresentation
bin11101101100010001100…
…01111001010000010001
310121112022122002212220222
432312020301321100101
5113203333204430342
62100401354042425
7133464362113655
oct16661061712021
93545278085828
101020202030097
113637354a4138
1214587b719415
137528778b7c3
14375414bca65
151b8100dced2
hexed88c79411

1020202030097 has 8 divisors (see below), whose sum is σ = 1021291499592. Its totient is φ = 1019113062400.

The previous prime is 1020202030093. The next prime is 1020202030109. The reversal of 1020202030097 is 7900302020201.

It can be written as a sum of positive squares in 4 ways, for example, as 118539735616 + 901662294481 = 344296^2 + 949559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020202030097 - 22 = 1020202030093 is a prime.

It is a super-3 number, since 3×10202020300973 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020202030093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015553 + ... + 4262049.

It is an arithmetic number, because the mean of its divisors is an integer number (127661437449).

Almost surely, 21020202030097 is an apocalyptic number.

It is an amenable number.

1020202030097 is a deficient number, since it is larger than the sum of its proper divisors (1089469495).

1020202030097 is a wasteful number, since it uses less digits than its factorization.

1020202030097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250899.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 1020202030097 its reverse (7900302020201), we get a palindrome (8920504050298).

The spelling of 1020202030097 in words is "one trillion, twenty billion, two hundred two million, thirty thousand, ninety-seven".

Divisors: 1 1361 3041 246497 4138801 335482417 749597377 1020202030097