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203010312212 = 22712273149009
BaseRepresentation
bin1011110100010001011…
…0111000100000010100
3201102000010201101112022
42331010112320200110
511311231114442322
6233132303312312
720444533116311
oct2750426704024
9642003641468
10203010312212
1179107035334
12334178ab698
13161b3ba43c6
149b7bc0dd08
1554328a3942
hex2f445b8814

203010312212 has 24 divisors (see below), whose sum is σ = 361859037120. Its totient is φ = 99634613120.

The previous prime is 203010312209. The next prime is 203010312227. The reversal of 203010312212 is 212213010302.

It is a super-3 number, since 3×2030103122123 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510037 + ... + 1638972.

It is an arithmetic number, because the mean of its divisors is an integer number (15077459880).

Almost surely, 2203010312212 is an apocalyptic number.

It is an amenable number.

203010312212 is a deficient number, since it is larger than the sum of its proper divisors (158848724908).

203010312212 is a wasteful number, since it uses less digits than its factorization.

203010312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149311 (or 3149309 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203010312212 its reverse (212213010302), we get a palindrome (415223322514).

The spelling of 203010312212 in words is "two hundred three billion, ten million, three hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 71 142 227 284 454 908 16117 32234 64468 3149009 6298018 12596036 223579639 447159278 714825043 894318556 1429650086 2859300172 50752578053 101505156106 203010312212