Base | Representation |
---|---|
bin | 11100000011101100… |
… | …000011001010111000 |
3 | 2212202120121101120100 |
4 | 130003230003022320 |
5 | 443144410300130 |
6 | 21501234355400 |
7 | 2114365204644 |
oct | 340354031270 |
9 | 85676541510 |
10 | 30126650040 |
11 | 1185a788093 |
12 | 5a0942bb60 |
13 | 2ac16a9b56 |
14 | 165b1b5c24 |
15 | bb4ce4c60 |
hex | 703b032b8 |
30126650040 has 192 divisors, whose sum is σ = 103524220800. Its totient is φ = 7577024256.
The previous prime is 30126650023. The next prime is 30126650053. The reversal of 30126650040 is 4005662103.
30126650040 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 6 + 650 + 0 + 4 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 30126649986 and 30126650013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1542979 + ... + 1562381.
It is an arithmetic number, because the mean of its divisors is an integer number (539188650).
Almost surely, 230126650040 is an apocalyptic number.
30126650040 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 30126650040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51762110400).
30126650040 is an abundant number, since it is smaller than the sum of its proper divisors (73397570760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30126650040 is a wasteful number, since it uses less digits than its factorization.
30126650040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19666 (or 19659 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The spelling of 30126650040 in words is "thirty billion, one hundred twenty-six million, six hundred fifty thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •