Base | Representation |
---|---|
bin | 101000100010011001… |
… | …1110110010010100010 |
3 | 22022200221001122111022 |
4 | 1101010303312102202 |
5 | 2411241232211242 |
6 | 103554132445442 |
7 | 6201162664064 |
oct | 1210463662242 |
9 | 268627048438 |
10 | 87053788322 |
11 | 33a12659706 |
12 | 14a56179882 |
13 | 8294621567 |
14 | 42db8d7734 |
15 | 23e78b00d2 |
hex | 1444cf64a2 |
87053788322 has 6 divisors (see below), whose sum is σ = 130581308379. Its totient is φ = 43526685530.
The previous prime is 87053788307. The next prime is 87053788369. The reversal of 87053788322 is 22388735078.
It can be written as a sum of positive squares in only one way, i.e., 43526894161 + 43526894161 = 208631^2 + 208631^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=208631.
It is a super-2 number, since 2×870537883222 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 312947 + ... + 521577.
Almost surely, 287053788322 is an apocalyptic number.
87053788322 is a deficient number, since it is larger than the sum of its proper divisors (43527520057).
87053788322 is an frugal number, since it uses more digits than its factorization.
87053788322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417264 (or 208633 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 53.
It can be divided in two parts, 870537 and 88322, that added together give a palindrome (958859).
The spelling of 87053788322 in words is "eighty-seven billion, fifty-three million, seven hundred eighty-eight thousand, three hundred twenty-two".
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