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74346243160 = 23571877141461
BaseRepresentation
bin100010100111101100…
…0011010010001011000
321002220022120110122111
41011033120122101120
52204230114240120
654053150002104
75241240432340
oct1051730322130
9232808513574
1074346243160
1129591574972
12124aa4a6334
13701aa08277
143853d39d20
151e01e7b75a
hex114f61a458

74346243160 has 64 divisors (see below), whose sum is σ = 191279257920. Its totient is φ = 25476380160.

The previous prime is 74346243149. The next prime is 74346243161. The reversal of 74346243160 is 6134264347.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74346243161) 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, 454830 + ... + 596290.

It is an arithmetic number, because the mean of its divisors is an integer number (2988738405).

Almost surely, 274346243160 is an apocalyptic number.

74346243160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74346243160 is an abundant number, since it is smaller than the sum of its proper divisors (116933014760).

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

74346243160 is a wasteful number, since it uses less digits than its factorization.

74346243160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143356 (or 143352 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 74346243160 in words is "seventy-four billion, three hundred forty-six million, two hundred forty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1877 3754 7508 9385 13139 15016 18770 26278 37540 52556 65695 75080 105112 131390 141461 262780 282922 525560 565844 707305 990227 1131688 1414610 1980454 2829220 3960908 4951135 5658440 7921816 9902270 19804540 39609080 265522297 531044594 1062089188 1327611485 1858656079 2124178376 2655222970 3717312158 5310445940 7434624316 9293280395 10620891880 14869248632 18586560790 37173121580 74346243160