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21230160623463 = 311643338200711
BaseRepresentation
bin1001101001111000010000…
…01011101011011101100111
32210011120202101201000222110
410310330020023223131213
510240313332104422323
6113053000125332103
74320554112550521
oct464741013533547
983146671630873
1021230160623463
11684572a225a20
12246a669a07033
13baccc3311cac
1453578c282a11
1526c3a2827793
hex134f082eb767

21230160623463 has 8 divisors (see below), whose sum is σ = 30880233634176. Its totient is φ = 12866764014200.

The previous prime is 21230160623437. The next prime is 21230160623473. The reversal of 21230160623463 is 36432606103212.

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

It is a cyclic number.

It is not a de Polignac number, because 21230160623463 - 213 = 21230160615271 is a prime.

It is a super-2 number, since 2×212301606234632 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230160623473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321669100323 + ... + 321669100388.

It is an arithmetic number, because the mean of its divisors is an integer number (3860029204272).

Almost surely, 221230160623463 is an apocalyptic number.

21230160623463 is a deficient number, since it is larger than the sum of its proper divisors (9650073010713).

21230160623463 is a wasteful number, since it uses less digits than its factorization.

21230160623463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643338200725.

The product of its (nonzero) digits is 186624, while the sum is 39.

Adding to 21230160623463 its reverse (36432606103212), we get a palindrome (57662766726675).

The spelling of 21230160623463 in words is "twenty-one trillion, two hundred thirty billion, one hundred sixty million, six hundred twenty-three thousand, four hundred sixty-three".

Divisors: 1 3 11 33 643338200711 1930014602133 7076720207821 21230160623463