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203102213301 = 32131735916353
BaseRepresentation
bin1011110100100111010…
…1011101010010110101
3201102020112122110010100
42331021311131102311
511311423131311201
6233145345144313
720450030220441
oct2751165352265
9642215573110
10203102213301
11791539a4a49
123344262b099
13161c9c40750
149b8a0d3821
15543a9a8886
hex2f49d5d4b5

203102213301 has 12 divisors (see below), whose sum is σ = 315936776428. Its totient is φ = 124985977344.

The previous prime is 203102213291. The next prime is 203102213317. The reversal of 203102213301 is 103312201302.

203102213301 is a `hidden beast` number, since 2 + 0 + 310 + 2 + 21 + 330 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36356574276 + 166745639025 = 190674^2 + 408345^2 .

It is not a de Polignac number, because 203102213301 - 211 = 203102211253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203102213381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867958060 + ... + 867958293.

Almost surely, 2203102213301 is an apocalyptic number.

It is an amenable number.

203102213301 is a deficient number, since it is larger than the sum of its proper divisors (112834563127).

203102213301 is a wasteful number, since it uses less digits than its factorization.

203102213301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735916372 (or 1735916369 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203102213301 its reverse (103312201302), we get a palindrome (306414414603).

The spelling of 203102213301 in words is "two hundred three billion, one hundred two million, two hundred thirteen thousand, three hundred one".

Divisors: 1 3 9 13 39 117 1735916353 5207749059 15623247177 22566912589 67700737767 203102213301