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22440430032131 = 1923333311521763
BaseRepresentation
bin1010001101000110100011…
…10111000101010100000011
32221110021200011010011022002
411012203101313011110003
510420131000042012011
6115420554035134215
74504160530024526
oct506432167052403
987407604104262
1022440430032131
117171a29806811
12262513274436b
13c6a17b363a77
145781a061cbbd
1528dad8d8ac3b
hex1468d1dc5503

22440430032131 has 16 divisors (see below), whose sum is σ = 23730022592640. Its totient is φ = 21161744112960.

The previous prime is 22440430032049. The next prime is 22440430032199. The reversal of 22440430032131 is 13123003404422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22440430032131 is a prime.

It is a super-2 number, since 2×224404300321312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22440430032094 and 22440430032103.

It is not an unprimeable number, because it can be changed into a prime (22340430032131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13985456 + ... + 15507218.

It is an arithmetic number, because the mean of its divisors is an integer number (1483126412040).

Almost surely, 222440430032131 is an apocalyptic number.

22440430032131 is a deficient number, since it is larger than the sum of its proper divisors (1289592560509).

22440430032131 is a wasteful number, since it uses less digits than its factorization.

22440430032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525346.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 22440430032131 its reverse (13123003404422), we get a palindrome (35563433436553).

The spelling of 22440430032131 in words is "twenty-two trillion, four hundred forty billion, four hundred thirty million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 19 233 3331 4427 63289 776123 1521763 14746337 28913497 354570779 5068992553 6736844801 96310858507 1181075264849 22440430032131