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13102110310021 = 19689584753159
BaseRepresentation
bin1011111010101001001010…
…1000010111111010000101
31201101112211121001201122121
42332222102220113322011
53204131110214410041
643511005410525541
72521411336044265
oct276522250277205
951345747051577
1013102110310021
1141a1634775a67
12157733a2968b1
137406a67556c5
143342074577a5
1517ac38cc37d1
hexbea92a17e85

13102110310021 has 4 divisors (see below), whose sum is σ = 13791695063200. Its totient is φ = 12412525556844.

The previous prime is 13102110310007. The next prime is 13102110310073. The reversal of 13102110310021 is 12001301120131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13102110310021 - 229 = 13101573439109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13102110309977 and 13102110310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102110319021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 344792376561 + ... + 344792376598.

It is an arithmetic number, because the mean of its divisors is an integer number (3447923765800).

Almost surely, 213102110310021 is an apocalyptic number.

It is an amenable number.

13102110310021 is a deficient number, since it is larger than the sum of its proper divisors (689584753179).

13102110310021 is an equidigital number, since it uses as much as digits as its factorization.

13102110310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689584753178.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13102110310021 its reverse (12001301120131), we get a palindrome (25103411430152).

The spelling of 13102110310021 in words is "thirteen trillion, one hundred two billion, one hundred ten million, three hundred ten thousand, twenty-one".

Divisors: 1 19 689584753159 13102110310021