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22123310103001 = 26974182016861
BaseRepresentation
bin1010000011110111111000…
…00010100011100111011001
32220022222010112000121210201
411001323330002203213121
510344432014341244001
6115015150334342201
74442233151063302
oct501737402434731
986288115017721
1022123310103001
11705a496888358
12259378b95a961
13c462b07411a3
14566ab98dd7a9
15285728715501
hex141efc0a39d9

22123310103001 has 4 divisors (see below), whose sum is σ = 22123392389604. Its totient is φ = 22123227816400.

The previous prime is 22123310102977. The next prime is 22123310103023. The reversal of 22123310103001 is 10030101332122.

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 5894892643600 + 16228417459401 = 2427940^2 + 4028451^2 .

It is a cyclic number.

It is not a de Polignac number, because 22123310103001 - 215 = 22123310070233 is a prime.

It is a super-2 number, since 2×221233101030012 (a number of 27 digits) contains 22 as substring.

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 22123310103001.

It is not an unprimeable number, because it can be changed into a prime (22123310103031) 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 3 ways as a sum of consecutive naturals, for example, 40738690 + ... + 41278171.

It is an arithmetic number, because the mean of its divisors is an integer number (5530848097401).

Almost surely, 222123310103001 is an apocalyptic number.

It is an amenable number.

22123310103001 is a deficient number, since it is larger than the sum of its proper divisors (82286603).

22123310103001 is an equidigital number, since it uses as much as digits as its factorization.

22123310103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82286602.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22123310103001 its reverse (10030101332122), we get a palindrome (32153411435123).

The spelling of 22123310103001 in words is "twenty-two trillion, one hundred twenty-three billion, three hundred ten million, one hundred three thousand, one".

Divisors: 1 269741 82016861 22123310103001