Base | Representation |
---|---|
bin | 101000000001101101110… |
… | …011100111001000100100 |
3 | 100201221211112021112010111 |
4 | 220001231303213020210 |
5 | 330031233024044440 |
6 | 5503341252502404 |
7 | 402503650262113 |
oct | 50015563471044 |
9 | 10657745245114 |
10 | 2750621315620 |
11 | 97059402a112 |
12 | 38510961aa04 |
13 | 16c4c83c0ab9 |
14 | 971b8c19c7a |
15 | 4b83b2584ea |
hex | 2806dce7224 |
2750621315620 has 48 divisors (see below), whose sum is σ = 6129709311600. Its totient is φ = 1033221668864.
The previous prime is 2750621315609. The next prime is 2750621315683. The reversal of 2750621315620 is 265131260572.
It can be written as a sum of positive squares in 8 ways, for example, as 7728871396 + 2742892444224 = 87914^2 + 1656168^2 .
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, 8856319 + ... + 9161638.
It is an arithmetic number, because the mean of its divisors is an integer number (127702277325).
Almost surely, 22750621315620 is an apocalyptic number.
2750621315620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2750621315620 is an abundant number, since it is smaller than the sum of its proper divisors (3379087995980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2750621315620 is a wasteful number, since it uses less digits than its factorization.
2750621315620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18018432 (or 18018430 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 40.
The spelling of 2750621315620 in words is "two trillion, seven hundred fifty billion, six hundred twenty-one million, three hundred fifteen thousand, six hundred twenty".
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