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144827978279088 = 2431310310993722063
BaseRepresentation
bin100000111011100001100100…
…001100101110100010110000
3200222210102022211010211011210
4200323201210030232202300
5122440330144414412323
61232005015453040120
742335322212404056
oct4073414414564260
9628712284124153
10144827978279088
1142168223098805
12142b0770a86040
1362a72b1a39a10
1427a99d66ca1d6
1511b2494b5e293
hex83b86432e8b0

144827978279088 has 320 divisors, whose sum is σ = 411019884154880. Its totient is φ = 43676304482304.

The previous prime is 144827978278999. The next prime is 144827978279119. The reversal of 144827978279088 is 880972879728441.

It is a super-2 number, since 2×1448279782790882 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144827978279088.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6564281145 + ... + 6564303207.

It is an arithmetic number, because the mean of its divisors is an integer number (1284437137984).

Almost surely, 2144827978279088 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 144827978279088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205509942077440).

144827978279088 is an abundant number, since it is smaller than the sum of its proper divisors (266191905875792).

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

144827978279088 is a wasteful number, since it uses less digits than its factorization.

144827978279088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23236 (or 23230 counting only the distinct ones).

The product of its (nonzero) digits is 7283146752, while the sum is 84.

The spelling of 144827978279088 in words is "one hundred forty-four trillion, eight hundred twenty-seven billion, nine hundred seventy-eight million, two hundred seventy-nine thousand, eighty-eight".