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420112132551154 = 21737631555795239
BaseRepresentation
bin101111110000101101111101…
…0011011010011000111110010
32001002111022211211220102101201
41133201123322123103013302
5420031104121413114104
64045300503242521414
7154330046165634061
oct13741337233230762
92032438754812351
10420112132551154
1111195161158500a
123b15066720626a
1315055533aa5774
1475a576ddaa1d8
1533881324040a4
hex17e16fa6d31f2

420112132551154 has 64 divisors (see below), whose sum is σ = 686487073466880. Its totient is φ = 192015167984640.

The previous prime is 420112132551113. The next prime is 420112132551161. The reversal of 420112132551154 is 451155231211024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4411087867 + ... + 4411183105.

It is an arithmetic number, because the mean of its divisors is an integer number (10726360522920).

Almost surely, 2420112132551154 is an apocalyptic number.

420112132551154 is a deficient number, since it is larger than the sum of its proper divisors (266374940915726).

420112132551154 is a wasteful number, since it uses less digits than its factorization.

420112132551154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101483.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 420112132551154 its reverse (451155231211024), we get a palindrome (871267363762178).

The spelling of 420112132551154 in words is "four hundred twenty trillion, one hundred twelve billion, one hundred thirty-two million, five hundred fifty-one thousand, one hundred fifty-four".

Divisors: 1 2 17 34 37 74 629 631 1258 1262 5557 10727 11114 21454 23347 46694 94469 95239 188938 190478 205609 396899 411218 793798 1619063 3238126 3495353 3506467 3523843 6990706 7012934 7047686 59609939 59905331 60095809 119219878 119810662 120191618 129739279 259478558 529243123 1021628753 1058486246 2043257506 2205567743 2223544933 4411135486 4447089866 8997133091 17994266182 19581995551 37800263861 39163991102 75600527722 332893924367 333952410613 665787848734 667904821226 5677190980421 11354381960842 12356239192681 24712478385362 210056066275577 420112132551154