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203212101310 = 25478316731193
BaseRepresentation
bin1011110101000001100…
…0101001011010111110
3201102112012102100010121
42331100120221122332
511312134244220220
6233204312325154
720452533234601
oct2752030513276
9642465370117
10203212101310
11791aaa2a489
12334733a37ba
1316216936b3a
149b9a93a338
155445462eaa
hex2f506296be

203212101310 has 64 divisors (see below), whose sum is σ = 380341204992. Its totient is φ = 78123732736.

The previous prime is 203212101283. The next prime is 203212101311. The reversal of 203212101310 is 13101212302.

It is a super-2 number, since 2×2032121013102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212101311) 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, 6499074 + ... + 6530266.

It is an arithmetic number, because the mean of its divisors is an integer number (5942831328).

Almost surely, 2203212101310 is an apocalyptic number.

203212101310 is a deficient number, since it is larger than the sum of its proper divisors (177129103682).

203212101310 is a wasteful number, since it uses less digits than its factorization.

203212101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31497.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 203212101310 its reverse (13101212302), we get a palindrome (216313313612).

The spelling of 203212101310 in words is "two hundred three billion, two hundred twelve million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 47 83 94 166 167 235 334 415 470 830 835 1670 3901 7802 7849 13861 15698 19505 27722 31193 39010 39245 62386 69305 78490 138610 155965 311930 651467 1302934 1466071 2589019 2932142 3257335 5178038 5209231 6514670 7330355 10418462 12945095 14660710 25890190 26046155 52092310 121683893 243367786 244833857 432366173 489667714 608419465 864732346 1216838930 1224169285 2161830865 2448338570 4323661730 20321210131 40642420262 101606050655 203212101310