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203213023301 = 17193720818171
BaseRepresentation
bin1011110101000001110…
…0001010100001000101
3201102112021011011212102
42331100130022201011
511312140013221201
6233204344201445
720452544124611
oct2752034124105
9642467134772
10203213023301
11792004aa162
1233473769285
1316216b9a6b2
149b9aada341
15544559626b
hex2f5070a845

203213023301 has 32 divisors (see below), whose sum is σ = 232752942720. Its totient is φ = 176189644800.

The previous prime is 203213023291. The next prime is 203213023303. The reversal of 203213023301 is 103320312302.

It is a de Polignac number, because none of the positive numbers 2k-203213023301 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 (203213023303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24865946 + ... + 24874116.

It is an arithmetic number, because the mean of its divisors is an integer number (7273529460).

Almost surely, 2203213023301 is an apocalyptic number.

It is an amenable number.

203213023301 is a deficient number, since it is larger than the sum of its proper divisors (29539919419).

203213023301 is a wasteful number, since it uses less digits than its factorization.

203213023301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203213023301 its reverse (103320312302), we get a palindrome (306533335603).

The spelling of 203213023301 in words is "two hundred three billion, two hundred thirteen million, twenty-three thousand, three hundred one".

Divisors: 1 17 19 37 323 629 703 2081 8171 11951 35377 39539 76997 138907 155249 302327 672163 1308949 1462943 2639233 5139559 5744213 17003851 24870031 97651621 289065467 323073169 629142487 5492243873 10695422279 11953707253 203213023301