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230512620415 = 57111024358453
BaseRepresentation
bin1101011010101110011…
…1110111001101111111
3211000222211011101212211
43112223213313031333
512234042212323130
6253521313241251
722440213642010
oct3265347671577
9730884141784
10230512620415
118983a401570
1238812263227
131897796785c
14b22a649007
155ee20aaa2a
hex35ab9f737f

230512620415 has 32 divisors (see below), whose sum is σ = 344910398976. Its totient is φ = 143679692160.

The previous prime is 230512620413. The next prime is 230512620461. The reversal of 230512620415 is 514026215032.

It is not a de Polignac number, because 230512620415 - 21 = 230512620413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230512620413) 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, 3914329 + ... + 3972781.

It is an arithmetic number, because the mean of its divisors is an integer number (10778449968).

Almost surely, 2230512620415 is an apocalyptic number.

230512620415 is a deficient number, since it is larger than the sum of its proper divisors (114397778561).

230512620415 is a wasteful number, since it uses less digits than its factorization.

230512620415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68719.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 230512620415 its reverse (514026215032), we get a palindrome (744538835447).

The spelling of 230512620415 in words is "two hundred thirty billion, five hundred twelve million, six hundred twenty thousand, four hundred fifteen".

Divisors: 1 5 7 11 35 55 77 385 10243 51215 58453 71701 112673 292265 358505 409171 563365 642983 788711 2045855 3214915 3943555 4500881 22504405 598734079 2993670395 4191138553 6586074869 20955692765 32930374345 46102524083 230512620415