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128201196685836 = 223139827163756773
BaseRepresentation
bin11101001001100100101010…
…110010011100101000001100
3121210220220200211020001122210
4131021210222302130220030
5113300422022322421321
61132354452224110420
736001142110623411
oct3511445262345014
9553826624201583
10128201196685836
11379379053703aa
1212466301465410
13566c423243b11
142392d846da108
15ec4c19b23b76
hex74992ac9ca0c

128201196685836 has 96 divisors (see below), whose sum is σ = 301842086757120. Its totient is φ = 42348362160384.

The previous prime is 128201196685819. The next prime is 128201196685927. The reversal of 128201196685836 is 638586691102821.

It is a super-3 number, since 3×1282011966858363 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2258108346 + ... + 2258165118.

It is an arithmetic number, because the mean of its divisors is an integer number (3144188403720).

Almost surely, 2128201196685836 is an apocalyptic number.

It is an amenable number.

128201196685836 is an abundant number, since it is smaller than the sum of its proper divisors (173640890071284).

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

128201196685836 is a wasteful number, since it uses less digits than its factorization.

128201196685836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59383 (or 59381 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 66.

The spelling of 128201196685836 in words is "one hundred twenty-eight trillion, two hundred one billion, one hundred ninety-six million, six hundred eighty-five thousand, eight hundred thirty-six".