| Base | Representation |
|---|---|
| bin | 11100011111010101… |
| … | …100111111101000000 |
| 3 | 2220221220111002222000 |
| 4 | 130133111213331000 |
| 5 | 1000122134032230 |
| 6 | 22015245144000 |
| 7 | 2132030146455 |
| oct | 343725477500 |
| 9 | 86856432860 |
| 10 | 30590533440 |
| 11 | 11a786165a5 |
| 12 | 5b1885b000 |
| 13 | 2b66827b7c |
| 14 | 16a2a4982c |
| 15 | be08c6b60 |
| hex | 71f567f40 |
30590533440 has 224 divisors, whose sum is σ = 108407362560. Its totient is φ = 8120383488.
The previous prime is 30590533433. The next prime is 30590533447. The reversal of 30590533440 is 4433509503.
It is a happy number.
30590533440 is a `hidden beast` number, since 30 + 5 + 90 + 533 + 4 + 4 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (30590533433) and next prime (30590533447).
It is a super-2 number, since 2×305905334402 (a number of 22 digits) contains 22 as substring.
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 = 30590533395 and 30590533404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30590533447) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918782 + ... + 1934658.
It is an arithmetic number, because the mean of its divisors is an integer number (483961440).
Almost surely, 230590533440 is an apocalyptic number.
30590533440 is a gapful number since it is divisible by the number (30) 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 30590533440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54203681280).
30590533440 is an abundant number, since it is smaller than the sum of its proper divisors (77816829120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30590533440 is a wasteful number, since it uses less digits than its factorization.
30590533440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16126 (or 16110 counting only the distinct ones).
The product of its (nonzero) digits is 97200, while the sum is 36.
The spelling of 30590533440 in words is "thirty billion, five hundred ninety million, five hundred thirty-three thousand, four hundred forty".
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