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203033230312 = 23119091253789
BaseRepresentation
bin1011110100010110111…
…0010011101111101000
3201102001201211202020211
42331011232103233220
511311303001332222
6233134442430504
720445231661033
oct2750556235750
9642051752224
10203033230312
1179118a69010
1233423502434
13161b8869b03
149b80c9801a
1554348ce277
hex2f45b93be8

203033230312 has 32 divisors (see below), whose sum is σ = 415342562400. Its totient is φ = 92277316800.

The previous prime is 203033230249. The next prime is 203033230321. The reversal of 203033230312 is 213032330302.

203033230312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2030332303122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 673114 + ... + 926902.

It is an arithmetic number, because the mean of its divisors is an integer number (12979455075).

Almost surely, 2203033230312 is an apocalyptic number.

203033230312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203033230312 is an abundant number, since it is smaller than the sum of its proper divisors (212309332088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203033230312 is a wasteful number, since it uses less digits than its factorization.

203033230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262897 (or 262893 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203033230312 its reverse (213032330302), we get a palindrome (416065560614).

The spelling of 203033230312 in words is "two hundred three billion, thirty-three million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 9091 18182 36364 72728 100001 200002 253789 400004 507578 800008 1015156 2030312 2791679 5583358 11166716 22333432 2307195799 4614391598 9228783196 18457566392 25379153789 50758307578 101516615156 203033230312