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1012130312101 = 3892601877409
BaseRepresentation
bin11101011101001111010…
…10101110111110100101
310120202111002202010102121
432232213222232332211
5113040320324441401
62052544413105541
7133060350463306
oct16564752567645
93522432663377
101012130312101
113602731a1a17
121441a84882b1
137459c427bcc
1436db74a67ad
151b4db677ca1
hexeba7aaefa5

1012130312101 has 4 divisors (see below), whose sum is σ = 1014732189900. Its totient is φ = 1009528434304.

The previous prime is 1012130312069. The next prime is 1012130312129.

It is a happy number.

1012130312101 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 439496073025 + 572634239076 = 662945^2 + 756726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012130312101 - 25 = 1012130312069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012130312201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300938316 + ... + 1300939093.

It is an arithmetic number, because the mean of its divisors is an integer number (253683047475).

Almost surely, 21012130312101 is an apocalyptic number.

It is an amenable number.

1012130312101 is a deficient number, since it is larger than the sum of its proper divisors (2601877799).

1012130312101 is an equidigital number, since it uses as much as digits as its factorization.

1012130312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601877798.

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

It can be divided in two parts, 1012130 and 312101, that added together give a palindrome (1324231).

The spelling of 1012130312101 in words is "one trillion, twelve billion, one hundred thirty million, three hundred twelve thousand, one hundred one".

Divisors: 1 389 2601877409 1012130312101