Base | Representation |
---|---|
bin | 10011110111011110101111… |
… | …000110111111001001011010 |
3 | 102110101000022212102120110110 |
4 | 103313132233012333021122 |
5 | 42423024414112444332 |
6 | 505455421524225150 |
7 | 24255445201641153 |
oct | 2367365706771132 |
9 | 373330285376413 |
10 | 87375457546842 |
11 | 259277a5a03543 |
12 | 9971b47b3b1b6 |
13 | 399a61630243a |
14 | 1780dcd6aa92a |
15 | a17c820dd4cc |
hex | 4f77af1bf25a |
87375457546842 has 16 divisors (see below), whose sum is σ = 174754640180160. Its totient is φ = 29124531667872.
The previous prime is 87375457546799. The next prime is 87375457546847. The reversal of 87375457546842 is 24864575457378.
It is a super-2 number, since 2×873754575468422 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87375457546847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154906963 + ... + 155469990.
It is an arithmetic number, because the mean of its divisors is an integer number (10922165011260).
Almost surely, 287375457546842 is an apocalyptic number.
87375457546842 is an abundant number, since it is smaller than the sum of its proper divisors (87379182633318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87375457546842 is a wasteful number, since it uses less digits than its factorization.
87375457546842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310423877.
The product of its digits is 6322176000, while the sum is 75.
The spelling of 87375457546842 in words is "eighty-seven trillion, three hundred seventy-five billion, four hundred fifty-seven million, five hundred forty-six thousand, eight hundred forty-two".
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