Base | Representation |
---|---|
bin | 100101010110001… |
… | …0100000100000100 |
3 | 10020022222121212202 |
4 | 1022230110010010 |
5 | 10031300134000 |
6 | 324202534032 |
7 | 43024301456 |
oct | 11254240404 |
9 | 3208877782 |
10 | 1253130500 |
11 | 5933a5546 |
12 | 2ab807318 |
13 | 16c80774b |
14 | bc6002d6 |
15 | 75032dd5 |
hex | 4ab14104 |
1253130500 has 96 divisors (see below), whose sum is σ = 2816311680. Its totient is φ = 486921600.
The previous prime is 1253130479. The next prime is 1253130523. The reversal of 1253130500 is 50313521.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3156302 + ... + 3156698.
It is an arithmetic number, because the mean of its divisors is an integer number (29336580).
Almost surely, 21253130500 is an apocalyptic number.
1253130500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1253130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408155840).
1253130500 is an abundant number, since it is smaller than the sum of its proper divisors (1563181180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1253130500 is a wasteful number, since it uses less digits than its factorization.
1253130500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582 (or 570 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 1253130500 is about 35399.5833308812. The cubic root of 1253130500 is about 1078.1158563952.
The spelling of 1253130500 in words is "one billion, two hundred fifty-three million, one hundred thirty thousand, five hundred".
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