Base | Representation |
---|---|
bin | 10011110010011101011110… |
… | …101100110011001111011100 |
3 | 102102011000221221212120002112 |
4 | 103302131132230303033130 |
5 | 42401401441321340442 |
6 | 505033133113213152 |
7 | 24221514124463300 |
oct | 2362353654631734 |
9 | 372130857776075 |
10 | 87030511121372 |
11 | 25804483713575 |
12 | 991711a1011b8 |
13 | 3973c326ccb00 |
14 | 176c429083d00 |
15 | a0dce3a75082 |
hex | 4f275eb333dc |
87030511121372 has 54 divisors (see below), whose sum is σ = 191845997855568. Its totient is φ = 34429652738208.
The previous prime is 87030511121329. The next prime is 87030511121377. The reversal of 87030511121372 is 27312111503078.
It is a super-3 number, since 3×870305111213723 (a number of 43 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87030511121377) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1313674628 + ... + 1313740875.
It is an arithmetic number, because the mean of its divisors is an integer number (3552703663992).
Almost surely, 287030511121372 is an apocalyptic number.
It is an amenable number.
87030511121372 is an abundant number, since it is smaller than the sum of its proper divisors (104815486734196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87030511121372 is a wasteful number, since it uses less digits than its factorization.
87030511121372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2627415547 (or 2627415525 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 41.
The spelling of 87030511121372 in words is "eighty-seven trillion, thirty billion, five hundred eleven million, one hundred twenty-one thousand, three hundred seventy-two".
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