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230420343455 = 5311486582861
BaseRepresentation
bin1101011010011000011…
…1110110101010011111
3211000202101112020200122
43112212013312222133
512233400101442310
6253504215345155
722435013413661
oct3264607665237
9730671466618
10230420343455
11897a2305515
12387a73821bb
13189617c93c3
14b21c2a8531
155ed8e2e555
hex35a61f6a9f

230420343455 has 8 divisors (see below), whose sum is σ = 285423909504. Its totient is φ = 178389943200.

The previous prime is 230420343409. The next prime is 230420343473. The reversal of 230420343455 is 554343024032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-230420343455 is a prime.

It is a super-2 number, since 2×2304203434552 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743291276 + ... + 743291585.

It is an arithmetic number, because the mean of its divisors is an integer number (35677988688).

Almost surely, 2230420343455 is an apocalyptic number.

230420343455 is a deficient number, since it is larger than the sum of its proper divisors (55003566049).

230420343455 is a wasteful number, since it uses less digits than its factorization.

230420343455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486582897.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 230420343455 its reverse (554343024032), we get a palindrome (784763367487).

The spelling of 230420343455 in words is "two hundred thirty billion, four hundred twenty million, three hundred forty-three thousand, four hundred fifty-five".

Divisors: 1 5 31 155 1486582861 7432914305 46084068691 230420343455