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78753374364 = 22376116792033
BaseRepresentation
bin100100101011000010…
…0010010000010011100
321112021110100221010010
41021112010102002130
52242241330434424
6100102342043220
75455403431350
oct1112604220234
9245243327103
1078753374364
1130443254865
121331a419510
137570a97102
143b5138d460
1520add23229
hex125611209c

78753374364 has 96 divisors (see below), whose sum is σ = 214732256256. Its totient is φ = 21999329280.

The previous prime is 78753374363. The next prime is 78753374393. The reversal of 78753374364 is 46347335787.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78753374363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809692 + ... + 901724.

It is an arithmetic number, because the mean of its divisors is an integer number (2236794336).

Almost surely, 278753374364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78753374364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107366128128).

78753374364 is an abundant number, since it is smaller than the sum of its proper divisors (135978881892).

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

78753374364 is a wasteful number, since it uses less digits than its factorization.

78753374364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92275 (or 92273 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 57.

The spelling of 78753374364 in words is "seventy-eight billion, seven hundred fifty-three million, three hundred seventy-four thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 61 84 122 167 183 244 334 366 427 501 668 732 854 1002 1169 1281 1708 2004 2338 2562 3507 4676 5124 7014 10187 14028 20374 30561 40748 61122 71309 92033 122244 142618 184066 213927 276099 285236 368132 427854 552198 644231 855708 1104396 1288462 1932693 2576924 3865386 5614013 7730772 11228026 15369511 16842039 22456052 30739022 33684078 39298091 46108533 61478044 67368156 78596182 92217066 107586577 117894273 157192364 184434132 215173154 235788546 322759731 430346308 471577092 645519462 937540171 1291038924 1875080342 2812620513 3750160684 5625241026 6562781197 11250482052 13125562394 19688343591 26251124788 39376687182 78753374364