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21300113113013 = 73919776441261
BaseRepresentation
bin1001101011111010100011…
…01011001111111110110101
32210102021022111122200202202
410311331101223033332311
510242440112424104023
6113145045322114245
74325611442111660
oct465752153177665
983367274580682
1021300113113013
116872366617759
12248013094b985
13bb6790963447
14538d0684c6d7
1526e0e8ba1128
hex135f51acffb5

21300113113013 has 8 divisors (see below), whose sum is σ = 24349197976320. Its totient is φ = 18252581140080.

The previous prime is 21300113113007. The next prime is 21300113113051. The reversal of 21300113113013 is 31031131100312.

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

It is not a de Polignac number, because 21300113113013 - 28 = 21300113112757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300113113913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388193198 + ... + 388248063.

It is an arithmetic number, because the mean of its divisors is an integer number (3043649747040).

Almost surely, 221300113113013 is an apocalyptic number.

It is an amenable number.

21300113113013 is a deficient number, since it is larger than the sum of its proper divisors (3049084863307).

21300113113013 is an equidigital number, since it uses as much as digits as its factorization.

21300113113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776445187.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 21300113113013 its reverse (31031131100312), we get a palindrome (52331244213325).

The spelling of 21300113113013 in words is "twenty-one trillion, three hundred billion, one hundred thirteen million, one hundred thirteen thousand, thirteen".

Divisors: 1 7 3919 27433 776441261 5435088827 3042873301859 21300113113013