Base | Representation |
---|---|
bin | 101000101000011110… |
… | …0111100101011011110 |
3 | 22100020010101021220102 |
4 | 1101100330330223132 |
5 | 2412200410003012 |
6 | 104030251021102 |
7 | 6206215341563 |
oct | 1212074745336 |
9 | 270203337812 |
10 | 87257500382 |
11 | 34007647588 |
12 | 14ab243a792 |
13 | 82c78a8340 |
14 | 431a9a486a |
15 | 240a6ee2c2 |
hex | 1450f3cade |
87257500382 has 16 divisors (see below), whose sum is σ = 140970905712. Its totient is φ = 40267983360.
The previous prime is 87257500373. The next prime is 87257500423. The reversal of 87257500382 is 28300575278.
It is a happy number.
It is a super-2 number, since 2×872575003822 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35582 + ... + 419262.
It is an arithmetic number, because the mean of its divisors is an integer number (8810681607).
Almost surely, 287257500382 is an apocalyptic number.
87257500382 is a deficient number, since it is larger than the sum of its proper divisors (53713405330).
87257500382 is a wasteful number, since it uses less digits than its factorization.
87257500382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392443.
The product of its (nonzero) digits is 940800, while the sum is 47.
The spelling of 87257500382 in words is "eighty-seven billion, two hundred fifty-seven million, five hundred thousand, three hundred eighty-two".
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