Search a number
-
+
1749968681064 = 233144750390713
BaseRepresentation
bin11001011101110010010…
…000101111100001101000
320012021222022210211100020
4121131302100233201220
5212132413440243224
63415531410040440
7240300566234322
oct31356220574150
96167868724306
101749968681064
1161518077621a
122431a4b79120
13c9037b5b086
14609adc48612
15307c2578c79
hex1977242f868

1749968681064 has 32 divisors (see below), whose sum is σ = 4377945232320. Its totient is φ = 582919756416.

The previous prime is 1749968681063. The next prime is 1749968681099. The reversal of 1749968681064 is 4601868699471.

It is a self number, because there is not a number n which added to its sum of digits gives 1749968681064.

It is not an unprimeable number, because it can be changed into a prime (1749968681063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25160629 + ... + 25230084.

It is an arithmetic number, because the mean of its divisors is an integer number (136810788510).

Almost surely, 21749968681064 is an apocalyptic number.

It is an amenable number.

1749968681064 is an abundant number, since it is smaller than the sum of its proper divisors (2627976551256).

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

1749968681064 is a wasteful number, since it uses less digits than its factorization.

1749968681064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50392169 (or 50392165 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 1749968681064 in words is "one trillion, seven hundred forty-nine billion, nine hundred sixty-eight million, six hundred eighty-one thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 1447 2894 4341 5788 8682 11576 17364 34728 50390713 100781426 151172139 201562852 302344278 403125704 604688556 1209377112 72915361711 145830723422 218746085133 291661446844 437492170266 583322893688 874984340532 1749968681064