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244400544020 = 22513678939303
BaseRepresentation
bin1110001110011101101…
…0000101100100010100
3212100211200202000112202
43203213122011210110
513001013014402040
6304135343504032
723441321230133
oct3434732054424
9770750660482
10244400544020
1194716810086
123b4492b8018
131a07bc95229
14bb86ca991a
156556451015
hex38e7685914

244400544020 has 24 divisors (see below), whose sum is σ = 513616650624. Its totient is φ = 97688692256.

The previous prime is 244400543977. The next prime is 244400544061. The reversal of 244400544020 is 20445004442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442312 + ... + 4496991.

It is an arithmetic number, because the mean of its divisors is an integer number (21400693776).

Almost surely, 2244400544020 is an apocalyptic number.

244400544020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244400544020 is an abundant number, since it is smaller than the sum of its proper divisors (269216106604).

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

244400544020 is a wasteful number, since it uses less digits than its factorization.

244400544020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940679 (or 8940677 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 244400544020 its reverse (20445004442), we get a palindrome (264845548462).

The spelling of 244400544020 in words is "two hundred forty-four billion, four hundred million, five hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 1367 2734 5468 6835 13670 27340 8939303 17878606 35757212 44696515 89393030 178786060 12220027201 24440054402 48880108804 61100136005 122200272010 244400544020