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42102300044 = 2271503653573
BaseRepresentation
bin100111001101011111…
…100001110110001100
311000200011220110000002
4213031133201312030
51142211142100134
631201434223432
73020222434310
oct471537416614
9130604813002
1042102300044
11169457181a2
1281abb84b78
133c7c79729c
142075895b40
15116635587e
hex9cd7e1d8c

42102300044 has 12 divisors (see below), whose sum is σ = 84204600144. Its totient is φ = 18043842864.

The previous prime is 42102300001. The next prime is 42102300049. The reversal of 42102300044 is 44000320124.

42102300044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42102299989 and 42102300025.

It is not an unprimeable number, because it can be changed into a prime (42102300049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751826759 + ... + 751826814.

It is an arithmetic number, because the mean of its divisors is an integer number (7017050012).

Almost surely, 242102300044 is an apocalyptic number.

It is an amenable number.

42102300044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42102300044 is a wasteful number, since it uses less digits than its factorization.

42102300044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503653584 (or 1503653582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42102300044 its reverse (44000320124), we get a palindrome (86102620168).

The spelling of 42102300044 in words is "forty-two billion, one hundred two million, three hundred thousand, forty-four".

Divisors: 1 2 4 7 14 28 1503653573 3007307146 6014614292 10525575011 21051150022 42102300044