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38146644130 = 257544952059
BaseRepresentation
bin100011100001101101…
…111001100010100010
310122110111122022012111
4203201231321202202
51111111020103010
625305130545534
72520211060630
oct434155714242
9118414568174
1038146644130
11151a5871381
1274872982aa
13379c10079a
141bbc3a6350
15ed3e3e58a
hex8e1b798a2

38146644130 has 16 divisors (see below), whose sum is σ = 78473096640. Its totient is φ = 13078849392.

The previous prime is 38146644113. The next prime is 38146644139. The reversal of 38146644130 is 3144664183.

It is not an unprimeable number, because it can be changed into a prime (38146644139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272475960 + ... + 272476099.

It is an arithmetic number, because the mean of its divisors is an integer number (4904568540).

Almost surely, 238146644130 is an apocalyptic number.

38146644130 is an abundant number, since it is smaller than the sum of its proper divisors (40326452510).

38146644130 is a wasteful number, since it uses less digits than its factorization.

38146644130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544952073.

The product of its (nonzero) digits is 165888, while the sum is 40.

It can be divided in two parts, 38146 and 644130, that added together give a square (682276 = 8262).

The spelling of 38146644130 in words is "thirty-eight billion, one hundred forty-six million, six hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 544952059 1089904118 2724760295 3814664413 5449520590 7629328826 19073322065 38146644130