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64014112743440 = 2451077478284199
BaseRepresentation
bin11101000111000011100100…
…11100110110000000010000
322101122200121120200212101212
432203201302130312000100
531342301400330242230
6344051402153315252
716324603250326256
oct1643416234660020
9271580546625355
1064014112743440
1119440261887802
12721a444a05b28
13299467443ba92
1411b442a0da5d6
15760249a11895
hex3a3872736010

64014112743440 has 40 divisors (see below), whose sum is σ = 150223773009600. Its totient is φ = 25366339999616.

The previous prime is 64014112743407. The next prime is 64014112743491. The reversal of 64014112743440 is 4434721141046.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3739133540 + ... + 3739150659.

It is an arithmetic number, because the mean of its divisors is an integer number (3755594325240).

Almost surely, 264014112743440 is an apocalyptic number.

It is an amenable number.

64014112743440 is an abundant number, since it is smaller than the sum of its proper divisors (86209660266160).

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

64014112743440 is a wasteful number, since it uses less digits than its factorization.

64014112743440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478284319 (or 7478284313 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

Adding to 64014112743440 its reverse (4434721141046), we get a palindrome (68448833884486).

The spelling of 64014112743440 in words is "sixty-four trillion, fourteen billion, one hundred twelve million, seven hundred forty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 107 214 428 535 856 1070 1712 2140 4280 8560 7478284199 14956568398 29913136796 37391420995 59826273592 74782841990 119652547184 149565683980 299131367960 598262735920 800176409293 1600352818586 3200705637172 4000882046465 6401411274344 8001764092930 12802822548688 16003528185860 32007056371720 64014112743440