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1301212311101 = 171921119092517
BaseRepresentation
bin10010111011110110010…
…011000010111000111101
311121101122201112020102022
4102323312103002320331
5132304340322423401
62433434011405525
7163003153103153
oct22736623027075
94541581466368
101301212311101
1146192847749a
121902254538a5
139591c30c3a1
1446d9c5a13d3
1523caa59371b
hex12ef64c2e3d

1301212311101 has 16 divisors (see below), whose sum is σ = 1457140973760. Its totient is φ = 1154715367680.

The previous prime is 1301212311071. The next prime is 1301212311167. The reversal of 1301212311101 is 1011132121031.

It is a cyclic number.

It is not a de Polignac number, because 1301212311101 - 26 = 1301212311037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 1301212311101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301212313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9478106 + ... + 9614411.

It is an arithmetic number, because the mean of its divisors is an integer number (91071310860).

Almost surely, 21301212311101 is an apocalyptic number.

It is an amenable number.

1301212311101 is a deficient number, since it is larger than the sum of its proper divisors (155928662659).

1301212311101 is a wasteful number, since it uses less digits than its factorization.

1301212311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19092764.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1301212311101 its reverse (1011132121031), we get a palindrome (2312344432132).

The spelling of 1301212311101 in words is "one trillion, three hundred one billion, two hundred twelve million, three hundred eleven thousand, one hundred one".

Divisors: 1 17 19 211 323 3587 4009 68153 19092517 324572789 362757823 4028521087 6166882991 68484858479 76541900653 1301212311101