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420213442544232 = 23322157790219499
BaseRepresentation
bin101111110001011101001000…
…0111110010000001001101000
32001002212000100022112022022120
41133202322100332100021220
5420034234112242403412
64045415220203351240
7154340263560443301
oct13742722076201150
92032760308468276
10420213442544232
1111199057a413317
123b16821b822520
1315061c5ab0b82c
1475aa620dcd7a8
15338aab1654b8c
hex17e2e90f90268

420213442544232 has 32 divisors (see below), whose sum is σ = 1050581020860000. Its totient is φ = 140064825581504.

The previous prime is 420213442544221. The next prime is 420213442544237. The reversal of 420213442544232 is 232445244312024.

It is not an unprimeable number, because it can be changed into a prime (420213442544237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394577982 + ... + 395641517.

It is an arithmetic number, because the mean of its divisors is an integer number (32830656901875).

Almost surely, 2420213442544232 is an apocalyptic number.

It is an amenable number.

420213442544232 is an abundant number, since it is smaller than the sum of its proper divisors (630367578315768).

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

420213442544232 is a wasteful number, since it uses less digits than its factorization.

420213442544232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790241665 (or 790241661 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 42.

Adding to 420213442544232 its reverse (232445244312024), we get a palindrome (652658686856256).

The spelling of 420213442544232 in words is "four hundred twenty trillion, two hundred thirteen billion, four hundred forty-two million, five hundred forty-four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 22157 44314 66471 88628 132942 177256 265884 531768 790219499 1580438998 2370658497 3160877996 4741316994 6321755992 9482633988 18965267976 17508893439343 35017786878686 52526680318029 70035573757372 105053360636058 140071147514744 210106721272116 420213442544232