Base | Representation |
---|---|
bin | 1010001110100000… |
… | …0111010101101111 |
3 | 21002022120201020022 |
4 | 2203220013111233 |
5 | 21110232431111 |
6 | 1132223112355 |
7 | 125012555315 |
oct | 24350072557 |
9 | 7068521208 |
10 | 2745202031 |
11 | 118965aa10 |
12 | 6474426bb |
13 | 349982000 |
14 | 1c083c0b5 |
15 | 1110132db |
hex | a3a0756f |
2745202031 has 32 divisors (see below), whose sum is σ = 3356942400. Its totient is φ = 2223661440.
The previous prime is 2745202021. The next prime is 2745202037. The reversal of 2745202031 is 1302025472.
It is not a de Polignac number, because 2745202031 - 218 = 2744939887 is a prime.
It is a super-2 number, since 2×27452020312 = 15072268382013049922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2745202037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698885 + ... + 702801.
It is an arithmetic number, because the mean of its divisors is an integer number (104904450).
Almost surely, 22745202031 is an apocalyptic number.
2745202031 is a deficient number, since it is larger than the sum of its proper divisors (611740369).
2745202031 is a wasteful number, since it uses less digits than its factorization.
2745202031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3996 (or 3970 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 2745202031 is about 52394.6755978124. The cubic root of 2745202031 is about 1400.2043971978.
The spelling of 2745202031 in words is "two billion, seven hundred forty-five million, two hundred two thousand, thirty-one".
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