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381415140813 = 3743142140663
BaseRepresentation
bin1011000110011100001…
…11010010110111001101
31100110111110212200222210
411203032013102313031
522222114234001223
6451115242101033
736361552130040
oct5431607226715
91313443780883
10381415140813
111378369a3643
1261b071aa779
1329c761b3945
1414663c10c57
159dc5013893
hex58ce1d2dcd

381415140813 has 16 divisors (see below), whose sum is σ = 582552539136. Its totient is φ = 217445815920.

The previous prime is 381415140787. The next prime is 381415140817. The reversal of 381415140813 is 318041514183.

It is not a de Polignac number, because 381415140813 - 225 = 381381586381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381415140817) 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, 21061281 + ... + 21079382.

It is an arithmetic number, because the mean of its divisors is an integer number (36409533696).

Almost surely, 2381415140813 is an apocalyptic number.

It is an amenable number.

381415140813 is a deficient number, since it is larger than the sum of its proper divisors (201137398323).

381415140813 is a wasteful number, since it uses less digits than its factorization.

381415140813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42141104.

The product of its (nonzero) digits is 46080, while the sum is 39.

Adding to 381415140813 its reverse (318041514183), we get a palindrome (699456654996).

The spelling of 381415140813 in words is "three hundred eighty-one billion, four hundred fifteen million, one hundred forty thousand, eight hundred thirteen".

Divisors: 1 3 7 21 431 1293 3017 9051 42140663 126421989 294984641 884953923 18162625753 54487877259 127138380271 381415140813