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13103123012101 = 43237303053473
BaseRepresentation
bin1011111010101100111011…
…1111100001101000000101
31201101122110011122022202001
42332223032333201220011
53204140143442341401
643511254104345301
72521445413630423
oct276531677415005
951348404568661
1013103123012101
1141a2004385031
121577581475231
137408084bc2c5
143342a1b50113
1517ac97b63601
hexbeacefe1a05

13103123012101 has 4 divisors (see below), whose sum is σ = 13103426108812. Its totient is φ = 13102819915392.

The previous prime is 13103123012059. The next prime is 13103123012117. The reversal of 13103123012101 is 10121032130131.

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 520708003201 + 12582415008900 = 721601^2 + 3547170^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103123012101 - 211 = 13103123010053 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 (13103123012171) 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, 151483500 + ... + 151569973.

It is an arithmetic number, because the mean of its divisors is an integer number (3275856527203).

Almost surely, 213103123012101 is an apocalyptic number.

It is an amenable number.

13103123012101 is a deficient number, since it is larger than the sum of its proper divisors (303096711).

13103123012101 is an equidigital number, since it uses as much as digits as its factorization.

13103123012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303096710.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13103123012101 its reverse (10121032130131), we get a palindrome (23224155142232).

The spelling of 13103123012101 in words is "thirteen trillion, one hundred three billion, one hundred twenty-three million, twelve thousand, one hundred one".

Divisors: 1 43237 303053473 13103123012101