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42048783364 = 22729721512
BaseRepresentation
bin100111001010010011…
…011000010000000100
311000112110012111220211
4213022103120100010
51142103442031424
631152243205204
73016002522100
oct471223302004
9130473174824
1042048783364
1116918495335
128196076804
133c7167a303
14206c724900
1511617d3b94
hex9ca4d8404

42048783364 has 81 divisors (see below), whose sum is σ = 87067454229. Its totient is φ = 17717011200.

The previous prime is 42048783353. The next prime is 42048783367. The reversal of 42048783364 is 46338784024.

The square root of 42048783364 is 205058.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18881508100 + 23167275264 = 137410^2 + 152208^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (42048783367) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 278468689 + ... + 278468839.

Almost surely, 242048783364 is an apocalyptic number.

42048783364 is the 205058-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42048783364

42048783364 is an abundant number, since it is smaller than the sum of its proper divisors (45018670865).

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

42048783364 is an equidigital number, since it uses as much as digits as its factorization.

42048783364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 49.

Multiplying 42048783364 by its sum of digits (49), we get a square (2060390384836 = 14354062).

42048783364 divided by its sum of digits (49) gives a square (858138436 = 292942).

The spelling of 42048783364 in words is "forty-two billion, forty-eight million, seven hundred eighty-three thousand, three hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 97 98 151 194 196 302 388 604 679 1057 1358 2114 2716 4228 4753 7399 9409 9506 14647 14798 18818 19012 22801 29294 29596 37636 45602 58588 65863 91204 102529 131726 159607 205058 263452 319214 410116 461041 638428 717703 922082 1117249 1420759 1435406 1844164 2211697 2234498 2841518 2870812 4423394 4468996 5683036 8846788 9945313 15481879 19890626 30963758 39781252 61927516 69617191 108373153 139234382 214534609 216746306 278468764 429069218 433492612 858138436 1501742263 3003484526 6006969052 10512195841 21024391682 42048783364