Base | Representation |
---|---|
bin | 11100100011110100111… |
… | …10011011010011111001 |
3 | 10110210220222212220121020 |
4 | 32101322132123103321 |
5 | 112034204134340100 |
6 | 2030450101533053 |
7 | 130616465523045 |
oct | 16217236332371 |
9 | 3423828786536 |
10 | 981307340025 |
11 | 349196457881 |
12 | 13a225a14189 |
13 | 716c96c8aac |
14 | 356d1a33025 |
15 | 1a7d568a5a0 |
hex | e47a79b4f9 |
981307340025 has 48 divisors (see below), whose sum is σ = 1657250310144. Its totient is φ = 512135023680.
The previous prime is 981307339979. The next prime is 981307340059. The reversal of 981307340025 is 520043703189.
It is not a de Polignac number, because 981307340025 - 211 = 981307337977 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21998394 + ... + 22042956.
It is an arithmetic number, because the mean of its divisors is an integer number (34526048128).
Almost surely, 2981307340025 is an apocalyptic number.
It is an amenable number.
981307340025 is a deficient number, since it is larger than the sum of its proper divisors (675942970119).
981307340025 is a wasteful number, since it uses less digits than its factorization.
981307340025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50870 (or 50865 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 42.
The spelling of 981307340025 in words is "nine hundred eighty-one billion, three hundred seven million, three hundred forty thousand, twenty-five".
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