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203764233709201 = 11231241210212
BaseRepresentation
bin101110010101001010001110…
…110001001010011010010001
3222201110200002210110020201011
4232111022032301022122101
5203201433122312143301
62001211555141410521
760630323444031424
oct5625121661123221
9881420083406634
10203764233709201
1159a1aa20896100
121aa2aa59709a41
138990b66b64c69
143846354aa39bb
151885596b2aa51
hexb9528ec4a691

203764233709201 has 81 divisors (see below), whose sum is σ = 237445105053681. Its totient is φ = 174721116240000.

The previous prime is 203764233709159. The next prime is 203764233709241. The reversal of 203764233709201 is 102907332467302.

The square root of 203764233709201 is 14274601.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 43713902499201 + 160050331210000 = 6611649^2 + 12651100^2 .

It is not a de Polignac number, because 203764233709201 - 29 = 203764233708689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203764233709241) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 199573196071 + ... + 199573197091.

Almost surely, 2203764233709201 is an apocalyptic number.

203764233709201 is the 14274601-st square number.

203764233709201 is the 7137301-st centered octagonal number.

It is an amenable number.

203764233709201 is a deficient number, since it is larger than the sum of its proper divisors (33680871344480).

203764233709201 is an frugal number, since it uses more digits than its factorization.

203764233709201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 203764233709201 in words is "two hundred three trillion, seven hundred sixty-four billion, two hundred thirty-three million, seven hundred nine thousand, two hundred one".

Divisors: 1 11 31 41 121 341 451 961 1021 1271 1681 3751 4961 10571 11231 13981 18491 31651 39401 41861 52111 116281 123541 153791 203401 348161 433411 460471 573221 981181 1042441 1297691 1615441 1716301 3829771 4767521 5065181 6305431 10792991 11466851 14274601 17769851 18879311 32315671 40228421 42740081 53205331 118722901 126135361 157020611 195468361 207672421 355472381 442512631 470140891 585258641 1001785801 1324942511 1649365261 1752343321 3910196191 4867638941 5171549801 6437845051 11019643811 14574367621 18143017871 19275776531 41073217841 54322642951 121216081921 160318043831 199573196581 212033541841 451805396251 597549072461 1684001931481 4969859358761 6573039797071 18524021246291 203764233709201