Base | Representation |
---|---|
bin | 10010001100111101000… |
… | …10111111101000000000 |
3 | 2012210100022022200001002 |
4 | 21012132202333220000 |
5 | 40221340114402202 |
6 | 1155152500231132 |
7 | 63120513152540 |
oct | 11063642775000 |
9 | 2183308280032 |
10 | 625430231552 |
11 | 221275073995 |
12 | a126739b4a8 |
13 | 46c9335b7b9 |
14 | 223b1821320 |
15 | 114076c6302 |
hex | 919e8bfa00 |
625430231552 has 80 divisors (see below), whose sum is σ = 1503325179840. Its totient is φ = 253934051328.
The previous prime is 625430231551. The next prime is 625430231579. The reversal of 625430231552 is 255132034526.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (625430231551) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4524173 + ... + 4660364.
It is an arithmetic number, because the mean of its divisors is an integer number (18791564748).
Almost surely, 2625430231552 is an apocalyptic number.
It is an amenable number.
625430231552 is an abundant number, since it is smaller than the sum of its proper divisors (877894948288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625430231552 is an equidigital number, since it uses as much as digits as its factorization.
625430231552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9184581 (or 9184565 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 38.
The spelling of 625430231552 in words is "six hundred twenty-five billion, four hundred thirty million, two hundred thirty-one thousand, five hundred fifty-two".
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