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230203422323440 = 2452877542779043
BaseRepresentation
bin110100010101111001101001…
…001101101011001011110000
31010012002020021022022112201221
4310111321221031223023300
5220133123102103322230
62133333554155034424
766326435256152266
oct6425715115531360
91105066238275657
10230203422323440
11673937a5568885
122199ab7043ba14
139b5b121a5ac47
1440bbc957d0436
151b931bc9a427a
hexd15e6936b2f0

230203422323440 has 20 divisors (see below), whose sum is σ = 535222956902184. Its totient is φ = 92081368929344.

The previous prime is 230203422323419. The next prime is 230203422323447. The reversal of 230203422323440 is 44323224302032.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 230203422323396 and 230203422323405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230203422323447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438771389442 + ... + 1438771389601.

Almost surely, 2230203422323440 is an apocalyptic number.

230203422323440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230203422323440 is an abundant number, since it is smaller than the sum of its proper divisors (305019534578744).

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

230203422323440 is a wasteful number, since it uses less digits than its factorization.

230203422323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877542779056 (or 2877542779050 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 230203422323440 its reverse (44323224302032), we get a palindrome (274526646625472).

The spelling of 230203422323440 in words is "two hundred thirty trillion, two hundred three billion, four hundred twenty-two million, three hundred twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2877542779043 5755085558086 11510171116172 14387713895215 23020342232344 28775427790430 46040684464688 57550855580860 115101711161720 230203422323440