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20134021348 = 227719072191
BaseRepresentation
bin10010110000000101…
…001100100011100100
31220222011201020222101
4102300011030203210
5312213302140343
613125513541444
71311640233460
oct226005144344
956864636871
1020134021348
1185a2148271
123a9aa14884
131b8b3a08cc
14d900114a0
157cc8e0e4d
hex4b014c8e4

20134021348 has 12 divisors (see below), whose sum is σ = 40268042752. Its totient is φ = 8628866280.

The previous prime is 20134021339. The next prime is 20134021361. The reversal of 20134021348 is 84312043102.

20134021348 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 719072191 = 20134021348 / (2 + 0 + 1 + 3 + 4 + 0 + 2 + 1 + 3 + 4 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359536068 + ... + 359536123.

Almost surely, 220134021348 is an apocalyptic number.

20134021348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20134021348 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.

20134021348 is a wasteful number, since it uses less digits than its factorization.

20134021348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719072202 (or 719072200 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 20134021348 in words is "twenty billion, one hundred thirty-four million, twenty-one thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 719072191 1438144382 2876288764 5033505337 10067010674 20134021348