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162720080117 = 71961113177493
BaseRepresentation
bin1001011110001011011…
…1110110000011110101
3120120000020112112102222
42113202313312003311
510131222320030432
6202430320012125
714520232600640
oct2274267660365
9516006475388
10162720080117
1163011274661
1227652761045
131246296409a
147c38c92a57
15437568c112
hex25e2df60f5

162720080117 has 32 divisors (see below), whose sum is σ = 200724414720. Its totient is φ = 128816593920.

The previous prime is 162720080113. The next prime is 162720080141. The reversal of 162720080117 is 711080027261.

It is not a de Polignac number, because 162720080117 - 22 = 162720080113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162720080113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828023 + ... + 1005515.

It is an arithmetic number, because the mean of its divisors is an integer number (6272637960).

Almost surely, 2162720080117 is an apocalyptic number.

It is an amenable number.

162720080117 is a deficient number, since it is larger than the sum of its proper divisors (38004334603).

162720080117 is a wasteful number, since it uses less digits than its factorization.

162720080117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177693.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 162720080117 in words is "one hundred sixty-two billion, seven hundred twenty million, eighty thousand, one hundred seventeen".

Divisors: 1 7 19 61 113 133 427 791 1159 2147 6893 8113 15029 48251 130967 177493 916769 1242451 3372367 10827073 20056709 23606569 75789511 140396963 205714387 381077471 1223459249 1440000709 2667542297 8564214743 23245725731 162720080117