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10101210120013 = 17594188830589
BaseRepresentation
bin1001001011111101111100…
…0010100111111101001101
31022202122222200221001122211
42102333133002213331031
52310444234242320023
633252233141110421
72061534255230425
oct222773702477515
938678880831584
1010101210120013
113244998858201
1211718229b8411
135837035937bc
1426cc88b95485
15127b50516a0d
hex92fdf0a7f4d

10101210120013 has 4 divisors (see below), whose sum is σ = 10695398950620. Its totient is φ = 9507021289408.

The previous prime is 10101210119963. The next prime is 10101210120059. The reversal of 10101210120013 is 31002101210101.

It is a happy number.

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 8393750456809 + 1707459663204 = 2897197^2 + 1306698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10101210120013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101210119975 and 10101210120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101210120073) 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, 297094415278 + ... + 297094415311.

It is an arithmetic number, because the mean of its divisors is an integer number (2673849737655).

Almost surely, 210101210120013 is an apocalyptic number.

It is an amenable number.

10101210120013 is a deficient number, since it is larger than the sum of its proper divisors (594188830607).

10101210120013 is an equidigital number, since it uses as much as digits as its factorization.

10101210120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594188830606.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10101210120013 its reverse (31002101210101), we get a palindrome (41103311330114).

The spelling of 10101210120013 in words is "ten trillion, one hundred one billion, two hundred ten million, one hundred twenty thousand, thirteen".

Divisors: 1 17 594188830589 10101210120013