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2221020344413 = 13237428161687
BaseRepresentation
bin100000010100011111001…
…000001111000001011101
321212022211201121200010001
4200110133020033001131
5242342122202010123
64420153410014301
7316314645302023
oct40243710170135
97768751550101
102221020344413
11786a2509a952
122ba547277391
1313159776c460
14796d857c713
153cb91a6c0ad
hex2051f20f05d

2221020344413 has 8 divisors (see below), whose sum is σ = 2495862327168. Its totient is φ = 1961034685104.

The previous prime is 2221020344407. The next prime is 2221020344443. The reversal of 2221020344413 is 3144430201222.

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 2221020344413 - 225 = 2220986789981 is a prime.

It is a super-2 number, since 2×22210203444132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020344443) 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, 3714080545 + ... + 3714081142.

It is an arithmetic number, because the mean of its divisors is an integer number (311982790896).

Almost surely, 22221020344413 is an apocalyptic number.

2221020344413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2221020344413 is a deficient number, since it is larger than the sum of its proper divisors (274841982755).

2221020344413 is a wasteful number, since it uses less digits than its factorization.

2221020344413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428161723.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2221020344413 its reverse (3144430201222), we get a palindrome (5365450545635).

The spelling of 2221020344413 in words is "two trillion, two hundred twenty-one billion, twenty million, three hundred forty-four thousand, four hundred thirteen".

Divisors: 1 13 23 299 7428161687 96566101931 170847718801 2221020344413