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4405131405052 = 2271520811034489
BaseRepresentation
bin100000000011010011001…
…0010101110011011111100
3120121010102011220110022221
41000012212102232123330
51034133202114430202
613211404530015124
7633155156063530
oct100064622563374
916533364813287
104405131405052
111449229922594
125b18b17174a4
1325c52c583811
141132d0c0bbc0
15798c3115037
hex401a64ae6fc

4405131405052 has 24 divisors (see below), whose sum is σ = 8810329258080. Its totient is φ = 1887899220480.

The previous prime is 4405131405019. The next prime is 4405131405053. The reversal of 4405131405052 is 2505041315044.

It is a super-2 number, since 2×44051314050522 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4405131404999 and 4405131405017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405131405053) 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, 3741024 + ... + 4775512.

It is an arithmetic number, because the mean of its divisors is an integer number (367097052420).

Almost surely, 24405131405052 is an apocalyptic number.

It is an amenable number.

4405131405052 is an abundant number, since it is smaller than the sum of its proper divisors (4405197853028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4405131405052 is a wasteful number, since it uses less digits than its factorization.

4405131405052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186581 (or 1186579 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 4405131405052 in words is "four trillion, four hundred five billion, one hundred thirty-one million, four hundred five thousand, fifty-two".

Divisors: 1 2 4 7 14 28 152081 304162 608324 1034489 1064567 2068978 2129134 4137956 4258268 7241423 14482846 28965692 157326121609 314652243218 629304486436 1101282851263 2202565702526 4405131405052