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80648238121576 = 2343234442552679
BaseRepresentation
bin10010010101100101100001…
…100101011100001001101000
3101120112220012101020112220121
4102111211201211130021220
541032320042424342301
6443305142241133024
722662433344206326
oct2225454145341150
9346486171215817
1080648238121576
11237737a8a19414
12906620392a174
133600133528c18
1415cb577576d16
1594cca46233a1
hex49596195c268

80648238121576 has 16 divisors (see below), whose sum is σ = 154732084768800. Its totient is φ = 39386348849904.

The previous prime is 80648238121543. The next prime is 80648238121579. The reversal of 80648238121576 is 67512183284608.

It is a super-2 number, since 2×806482381215762 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80648238121579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117221275996 + ... + 117221276683.

It is an arithmetic number, because the mean of its divisors is an integer number (9670755298050).

Almost surely, 280648238121576 is an apocalyptic number.

80648238121576 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

80648238121576 is a deficient number, since it is larger than the sum of its proper divisors (74083846647224).

80648238121576 is a wasteful number, since it uses less digits than its factorization.

80648238121576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234442552728 (or 234442552724 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 80648238121576 in words is "eighty trillion, six hundred forty-eight billion, two hundred thirty-eight million, one hundred twenty-one thousand, five hundred seventy-six".

Divisors: 1 2 4 8 43 86 172 344 234442552679 468885105358 937770210716 1875540421432 10081029765197 20162059530394 40324119060788 80648238121576