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68849384045524 = 22597133911211719
BaseRepresentation
bin11111010011110001111110…
…00101000011101111010100
3100000202221021221201002202021
433221320333011003233110
533011012014303424044
6402232545334222524
720334126630264055
oct1751707705035724
9300687257632667
1068849384045524
111aa349504373a5
12787b57b4b4a44
132c55613698214
141300483d3072c
157e5de557ee84
hex3e9e3f143bd4

68849384045524 has 48 divisors (see below), whose sum is σ = 124291064217600. Its totient is φ = 33354719042400.

The previous prime is 68849384045521. The next prime is 68849384045531. The reversal of 68849384045524 is 42554048394886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68849384045521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56213737 + ... + 57425455.

It is an arithmetic number, because the mean of its divisors is an integer number (2589397171200).

Almost surely, 268849384045524 is an apocalyptic number.

It is an amenable number.

68849384045524 is a deficient number, since it is larger than the sum of its proper divisors (55441680172076).

68849384045524 is a wasteful number, since it uses less digits than its factorization.

68849384045524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215244 (or 1215242 counting only the distinct ones).

The product of its (nonzero) digits is 1061683200, while the sum is 70.

The spelling of 68849384045524 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, five hundred twenty-four".

Divisors: 1 2 4 59 71 118 142 236 284 3391 4189 6782 8378 13564 16756 200069 240761 400138 481522 800276 963044 1211719 2423438 4846876 14204899 28409798 56819596 71491421 86032049 142982842 172064098 285965684 344128196 4108939129 5075890891 8217878258 10151781782 16435756516 20303563564 242427408611 291734678159 484854817222 583469356318 969709634444 1166938712636 17212346011381 34424692022762 68849384045524