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21230151241113 = 333125364577349
BaseRepresentation
bin1001101001111000001111…
…00111111000110110011001
32210011120201202001100211000
410310330013213320312121
510240313322204203423
6113052555152255213
74320553640032653
oct464740747706631
983146652040730
1021230151241113
1168457249a7911
12246a666841509
13baccc13a85c9
1453578ad1d6d3
1526c3a1ac2843
hex134f079f8d99

21230151241113 has 16 divisors (see below), whose sum is σ = 32466659008000. Its totient is φ = 13696871767920.

The previous prime is 21230151241037. The next prime is 21230151241121. The reversal of 21230151241113 is 31114215103212.

21230151241113 is a `hidden beast` number, since 2 + 1 + 2 + 30 + 1 + 512 + 4 + 1 + 113 = 666.

It is not a de Polignac number, because 21230151241113 - 221 = 21230149143961 is a prime.

It is a super-2 number, since 2×212301512411132 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230151241163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12682287838 + ... + 12682289511.

It is an arithmetic number, because the mean of its divisors is an integer number (2029166188000).

Almost surely, 221230151241113 is an apocalyptic number.

It is an amenable number.

21230151241113 is a deficient number, since it is larger than the sum of its proper divisors (11236507766887).

21230151241113 is a wasteful number, since it uses less digits than its factorization.

21230151241113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25364577389 (or 25364577383 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 21230151241113 its reverse (31114215103212), we get a palindrome (52344366344325).

The spelling of 21230151241113 in words is "twenty-one trillion, two hundred thirty billion, one hundred fifty-one million, two hundred forty-one thousand, one hundred thirteen".

Divisors: 1 3 9 27 31 93 279 837 25364577349 76093732047 228281196141 684843588423 786301897819 2358905693457 7076717080371 21230151241113