Base | Representation |
---|---|
bin | 11111111110111110… |
… | …000101000100101000 |
3 | 10021122101101121101120 |
4 | 133332332011010220 |
5 | 1030313132121030 |
6 | 23435434015240 |
7 | 2324016034131 |
oct | 377676050450 |
9 | 107571347346 |
10 | 34342457640 |
11 | 136234707a7 |
12 | 67a5277520 |
13 | 3313c2b96a |
14 | 193b064c88 |
15 | d5ee98010 |
hex | 7fef85128 |
34342457640 has 32 divisors (see below), whose sum is σ = 103027373280. Its totient is φ = 9157988672.
The previous prime is 34342457581. The next prime is 34342457651. The reversal of 34342457640 is 4675424343.
It is a junction number, because it is equal to n+sod(n) for n = 34342457592 and 34342457601.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143093454 + ... + 143093693.
It is an arithmetic number, because the mean of its divisors is an integer number (3219605415).
Almost surely, 234342457640 is an apocalyptic number.
34342457640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
34342457640 is an abundant number, since it is smaller than the sum of its proper divisors (68684915640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34342457640 is a wasteful number, since it uses less digits than its factorization.
34342457640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286187161 (or 286187157 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 42.
The spelling of 34342457640 in words is "thirty-four billion, three hundred forty-two million, four hundred fifty-seven thousand, six hundred forty".
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