| Base | Representation |
|---|---|
| bin | 110000000011110010… |
| … | …001110000011001000 |
| 3 | 11221012022100021211000 |
| 4 | 300003302032003020 |
| 5 | 1321140343311234 |
| 6 | 35412305335000 |
| 7 | 3504526101120 |
| oct | 600362160310 |
| 9 | 157168307730 |
| 10 | 51603103944 |
| 11 | 1a980674847 |
| 12 | a001937460 |
| 13 | 4b34c21542 |
| 14 | 26d75d1c80 |
| 15 | 15204a8899 |
| hex | c03c8e0c8 |
51603103944 has 128 divisors (see below), whose sum is σ = 165070540800. Its totient is φ = 14631140160.
The previous prime is 51603103939. The next prime is 51603103949. The reversal of 51603103944 is 44930130615.
51603103944 is a `hidden beast` number, since 5 + 1 + 603 + 1 + 0 + 3 + 9 + 44 = 666.
It is an interprime number because it is at equal distance from previous prime (51603103939) and next prime (51603103949).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 51603103899 and 51603103908.
It is not an unprimeable number, because it can be changed into a prime (51603103949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67809 + ... + 328335.
It is an arithmetic number, because the mean of its divisors is an integer number (1289613600).
Almost surely, 251603103944 is an apocalyptic number.
51603103944 is a gapful number since it is divisible by the number (54) 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 51603103944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82535270400).
51603103944 is an abundant number, since it is smaller than the sum of its proper divisors (113467436856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51603103944 is a wasteful number, since it uses less digits than its factorization.
51603103944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260680 (or 260670 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 51603103944 in words is "fifty-one billion, six hundred three million, one hundred three thousand, nine hundred forty-four".
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