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10312222013213 = 19364218321321
BaseRepresentation
bin1001011000010000000001…
…0101000111011100011101
31100111211122111000212210112
42112010000111013130131
52322423412313410323
633533211442215405
72113014321563351
oct226040025073435
940454574025715
1010312222013213
11331643053a78a
1211a66b2354565
1359a5911127c3
14279185561461
1512d3a05c9178
hex9610054771d

10312222013213 has 8 divisors (see below), whose sum is σ = 10367268797496. Its totient is φ = 10257191884800.

The previous prime is 10312222013201. The next prime is 10312222013243. The reversal of 10312222013213 is 31231022221301.

It can be written as a sum of positive squares in 4 ways, for example, as 1971319897369 + 8340902115844 = 1404037^2 + 2888062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10312222013213 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 (10312222013243) 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, 2921408 + ... + 5399913.

It is an arithmetic number, because the mean of its divisors is an integer number (1295908599687).

Almost surely, 210312222013213 is an apocalyptic number.

It is an amenable number.

10312222013213 is a deficient number, since it is larger than the sum of its proper divisors (55046784283).

10312222013213 is an equidigital number, since it uses as much as digits as its factorization.

10312222013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327935.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10312222013213 its reverse (31231022221301), we get a palindrome (41543244234514).

The spelling of 10312222013213 in words is "ten trillion, three hundred twelve billion, two hundred twenty-two million, thirteen thousand, two hundred thirteen".

Divisors: 1 193 6421 1239253 8321321 1606014953 53431202141 10312222013213