Base | Representation |
---|---|
bin | 101011011011000… |
… | …0011110111111000 |
3 | 10202112121220000102 |
4 | 1112312003313320 |
5 | 10440443342331 |
6 | 400324454532 |
7 | 51051254012 |
oct | 12666036770 |
9 | 3675556012 |
10 | 1457012216 |
11 | 688499930 |
12 | 347b4a448 |
13 | 1a2b2080a |
14 | db7131b2 |
15 | 87da74cb |
hex | 56d83df8 |
1457012216 has 16 divisors (see below), whose sum is σ = 2980252440. Its totient is φ = 662278240.
The previous prime is 1457012153. The next prime is 1457012237. The reversal of 1457012216 is 6122107541.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8278391 + ... + 8278566.
Almost surely, 21457012216 is an apocalyptic number.
It is an amenable number.
1457012216 is an abundant number, since it is smaller than the sum of its proper divisors (1523240224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1457012216 is a wasteful number, since it uses less digits than its factorization.
1457012216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16556974 (or 16556970 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 1457012216 is about 38170.8293858019. The cubic root of 1457012216 is about 1133.6728109520.
Adding to 1457012216 its reverse (6122107541), we get a palindrome (7579119757).
The spelling of 1457012216 in words is "one billion, four hundred fifty-seven million, twelve thousand, two hundred sixteen".
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