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1012100320013 = 27731711526157
BaseRepresentation
bin11101011101001011110…
…00010100101100001101
310120202102000022101000112
432232211320110230031
5113040240140220023
62052541422205405
7133056534526646
oct16564570245415
93522360271015
101012100320013
11360258277472
1214419a423865
1374596156703
1436db34da6cd
151b4d8c01478
hexeba5e14b0d

1012100320013 has 8 divisors (see below), whose sum is σ = 1018958471832. Its totient is φ = 1005265221696.

The previous prime is 1012100319931. The next prime is 1012100320069. The reversal of 1012100320013 is 3100230012101.

It can be written as a sum of positive squares in 4 ways, for example, as 87614224009 + 924486096004 = 295997^2 + 961502^2 .

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 1012100320013 - 210 = 1012100318989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012100320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012100320313) 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, 5675270 + ... + 5850887.

It is an arithmetic number, because the mean of its divisors is an integer number (127369808979).

Almost surely, 21012100320013 is an apocalyptic number.

It is an amenable number.

1012100320013 is a deficient number, since it is larger than the sum of its proper divisors (6858151819).

1012100320013 is a wasteful number, since it uses less digits than its factorization.

1012100320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526751.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1012100320013 its reverse (3100230012101), we get a palindrome (4112330332114).

The spelling of 1012100320013 in words is "one trillion, twelve billion, one hundred million, three hundred twenty thousand, thirteen".

Divisors: 1 277 317 87809 11526157 3192745489 3653791769 1012100320013