Base | Representation |
---|---|
bin | 100101000010011011110… |
… | …101110011111110100000 |
3 | 100000022200211002112112210 |
4 | 211002123311303332200 |
5 | 313200120203323430 |
6 | 5225133115522120 |
7 | 351613205233455 |
oct | 45023365637640 |
9 | 10008624075483 |
10 | 2545235214240 |
11 | 8a1478a19264 |
12 | 35134a159340 |
13 | 1560262599b4 |
14 | 8b29368d82c |
15 | 4631a0122b0 |
hex | 2509bd73fa0 |
2545235214240 has 96 divisors (see below), whose sum is σ = 8027233958016. Its totient is φ = 677904583680.
The previous prime is 2545235214217. The next prime is 2545235214241. The reversal of 2545235214240 is 424125325452.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (2545235214241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826451 + ... + 3616530.
It is an arithmetic number, because the mean of its divisors is an integer number (83617020396).
Almost surely, 22545235214240 is an apocalyptic number.
2545235214240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2545235214240 is an abundant number, since it is smaller than the sum of its proper divisors (5481998743776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2545235214240 is a wasteful number, since it uses less digits than its factorization.
2545235214240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6443822 (or 6443814 counting only the distinct ones).
The product of its (nonzero) digits is 384000, while the sum is 39.
The spelling of 2545235214240 in words is "two trillion, five hundred forty-five billion, two hundred thirty-five million, two hundred fourteen thousand, two hundred forty".
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