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20113001310121 = 531071135429987
BaseRepresentation
bin1001001001010111011000…
…10011000110011110101001
32122012210011122100211111221
410210223230103012132221
510114012411313410441
6110435441340222041
74144054631222416
oct444535423063651
978183148324457
1020113001310121
11645496a992935
12230a04b53a921
13b2b856533595
144d768dca910d
1524d2ba6d08d1
hex124aec4c67a9

20113001310121 has 8 divisors (see below), whose sum is σ = 20494405698624. Its totient is φ = 19731667803120.

The previous prime is 20113001310049. The next prime is 20113001310139. The reversal of 20113001310121 is 12101310031102.

It is a happy number.

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 20113001310121 - 217 = 20113001179049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113001310095 and 20113001310104.

It is not an unprimeable number, because it can be changed into a prime (20113001310151) 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, 17147311 + ... + 18282676.

It is an arithmetic number, because the mean of its divisors is an integer number (2561800712328).

Almost surely, 220113001310121 is an apocalyptic number.

It is an amenable number.

20113001310121 is a deficient number, since it is larger than the sum of its proper divisors (381404388503).

20113001310121 is a wasteful number, since it uses less digits than its factorization.

20113001310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35440751.

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

Adding to 20113001310121 its reverse (12101310031102), we get a palindrome (32214311341223).

The spelling of 20113001310121 in words is "twenty trillion, one hundred thirteen billion, one million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 53 10711 567683 35429987 1877789311 379490590757 20113001310121