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203023130301 = 3249374569197
BaseRepresentation
bin1011110100010100011…
…1110001111010111101
3201102001000211121122100
42331011013301322331
511311242410132201
6233133442135313
720445050063655
oct2750507617275
9642030747570
10203023130301
117911329a7a2
1233420051539
13161b6741884
149b7d7c9365
155433a86886
hex2f451f1ebd

203023130301 has 12 divisors (see below), whose sum is σ = 293315096412. Its totient is φ = 135321308736.

The previous prime is 203023130267. The next prime is 203023130333. The reversal of 203023130301 is 103031320302.

203023130301 is a `hidden beast` number, since 2 + 0 + 302 + 31 + 30 + 301 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49144239225 + 153878891076 = 221685^2 + 392274^2 .

It is not a de Polignac number, because 203023130301 - 218 = 203022868157 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 (203023130801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240166 + ... + 2329031.

It is an arithmetic number, because the mean of its divisors is an integer number (24442924701).

Almost surely, 2203023130301 is an apocalyptic number.

It is an amenable number.

203023130301 is a deficient number, since it is larger than the sum of its proper divisors (90291966111).

203023130301 is a wasteful number, since it uses less digits than its factorization.

203023130301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574140 (or 4574137 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 203023130301 its reverse (103031320302), we get a palindrome (306054450603).

The spelling of 203023130301 in words is "two hundred three billion, twenty-three million, one hundred thirty thousand, three hundred one".

Divisors: 1 3 9 4937 14811 44433 4569197 13707591 41122773 22558125589 67674376767 203023130301