Base | Representation |
---|---|
bin | 10010101011000101… |
… | …00010010110000000 |
3 | 221212122220101100110 |
4 | 21111202202112000 |
5 | 131012403122040 |
6 | 4334435351320 |
7 | 503300350311 |
oct | 112542422600 |
9 | 27778811313 |
10 | 10025051520 |
11 | 4284975650 |
12 | 1b39452540 |
13 | c39c4bc63 |
14 | 6b1604608 |
15 | 3da1aa980 |
hex | 2558a2580 |
10025051520 has 128 divisors (see below), whose sum is σ = 34859911680. Its totient is φ = 2430310400.
The previous prime is 10025051513. The next prime is 10025051563. The reversal of 10025051520 is 2515052001.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216216 + ... + 258455.
It is an arithmetic number, because the mean of its divisors is an integer number (272343060).
Almost surely, 210025051520 is an apocalyptic number.
10025051520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10025051520 is an abundant number, since it is smaller than the sum of its proper divisors (24834860160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10025051520 is a wasteful number, since it uses less digits than its factorization.
10025051520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474704 (or 474692 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 21.
The spelling of 10025051520 in words is "ten billion, twenty-five million, fifty-one thousand, five hundred twenty".
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