| Base | Representation |
|---|---|
| bin | 1111000000010111000… |
| … | …1011001001011110000 |
| 3 | 220122102011112101101000 |
| 4 | 3300011301121023300 |
| 5 | 13210430441401143 |
| 6 | 314232422442000 |
| 7 | 24424253154150 |
| oct | 3600561311360 |
| 9 | 818364471330 |
| 10 | 257794872048 |
| 11 | 9a36a536a6a |
| 12 | 41b66b93300 |
| 13 | 1b404c7090c |
| 14 | c697b60760 |
| 15 | 6a8c2e5bd3 |
| hex | 3c05c592f0 |
257794872048 has 160 divisors (see below), whose sum is σ = 849217075200. Its totient is φ = 73347289344.
The previous prime is 257794872043. The next prime is 257794872053. The reversal of 257794872048 is 840278497752.
257794872048 is a `hidden beast` number, since 25 + 7 + 79 + 487 + 20 + 48 = 666.
It is an interprime number because it is at equal distance from previous prime (257794872043) and next prime (257794872053).
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (257794872043) 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, 544390 + ... + 901082.
It is an arithmetic number, because the mean of its divisors is an integer number (5307606720).
Almost surely, 2257794872048 is an apocalyptic number.
257794872048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 257794872048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424608537600).
257794872048 is an abundant number, since it is smaller than the sum of its proper divisors (591422203152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
257794872048 is a wasteful number, since it uses less digits than its factorization.
257794872048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 356956 (or 356944 counting only the distinct ones).
The product of its (nonzero) digits is 63221760, while the sum is 63.
The spelling of 257794872048 in words is "two hundred fifty-seven billion, seven hundred ninety-four million, eight hundred seventy-two thousand, forty-eight".
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