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162138275468 = 221319273161783
BaseRepresentation
bin1001011100000000110…
…0011011111010001100
3120111111200202210111122
42113000030123322030
510124024344303333
6202252453540112
714466636413321
oct2270014337214
9514450683448
10162138275468
1162842914174
122750b944638
131239c269390
147bc18c4b48
15433e565798
hex25c031be8c

162138275468 has 24 divisors (see below), whose sum is σ = 305586031968. Its totient is φ = 74828704896.

The previous prime is 162138275447. The next prime is 162138275471. The reversal of 162138275468 is 864572831261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921305 + ... + 1083087.

It is an arithmetic number, because the mean of its divisors is an integer number (12732751332).

Almost surely, 2162138275468 is an apocalyptic number.

It is an amenable number.

162138275468 is a deficient number, since it is larger than the sum of its proper divisors (143447756500).

162138275468 is a wasteful number, since it uses less digits than its factorization.

162138275468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181073 (or 181071 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 162138275468 in words is "one hundred sixty-two billion, one hundred thirty-eight million, two hundred seventy-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 26 52 19273 38546 77092 161783 250549 323566 501098 647132 1002196 2103179 4206358 8412716 3118043759 6236087518 12472175036 40534568867 81069137734 162138275468