Search a number
-
+
42163370782 = 21319236315881
BaseRepresentation
bin100111010001001000…
…011111101100011110
311000211102211011022021
4213101020133230132
51142322310331112
631211455210354
73021563511151
oct472110375436
9130742734267
1042163370782
111697713a585
1282085169ba
133c8c32a710
14207da31c98
15116b8ba907
hex9d121fb1e

42163370782 has 64 divisors (see below), whose sum is σ = 74943267840. Its totient is φ = 17603308800.

The previous prime is 42163370779. The next prime is 42163370783. The reversal of 42163370782 is 28707336124.

It is a super-2 number, since 2×421633707822 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42163370783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7166482 + ... + 7172362.

It is an arithmetic number, because the mean of its divisors is an integer number (1170988560).

Almost surely, 242163370782 is an apocalyptic number.

42163370782 is a deficient number, since it is larger than the sum of its proper divisors (32779897058).

42163370782 is a wasteful number, since it uses less digits than its factorization.

42163370782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 42163370782 in words is "forty-two billion, one hundred sixty-three million, three hundred seventy thousand, seven hundred eighty-two".

Divisors: 1 2 13 19 23 26 38 46 247 299 437 494 598 631 874 1262 5681 5881 8203 11362 11762 11989 14513 16406 23978 29026 76453 111739 135263 152906 155857 188669 223478 270526 275747 311714 377338 551494 1452607 1758419 2569997 2905214 3516838 3584711 3710911 5139994 7169422 7421822 33409961 48241843 66819922 70507309 85350953 96483686 141014618 170701906 916595017 1109562389 1621668107 1833190034 2219124778 3243336214 21081685391 42163370782