Base | Representation |
---|---|
bin | 11100100000001101… |
… | …000110101110011000 |
3 | 2220222220212000112012 |
4 | 130200031012232120 |
5 | 1000134344434100 |
6 | 22020525005052 |
7 | 2132264602622 |
oct | 344015065630 |
9 | 86886760465 |
10 | 30605077400 |
11 | 11a8584a6a7 |
12 | 5b216b3788 |
13 | 2b6984aa71 |
14 | 16a4953c12 |
15 | be1ceb135 |
hex | 720346b98 |
30605077400 has 96 divisors (see below), whose sum is σ = 72459506640. Its totient is φ = 12019138560.
The previous prime is 30605077379. The next prime is 30605077421. The reversal of 30605077400 is 477050603.
It is an interprime number because it is at equal distance from previous prime (30605077379) and next prime (30605077421).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4190552 + ... + 4197848.
Almost surely, 230605077400 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30605077400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36229753320).
30605077400 is an abundant number, since it is smaller than the sum of its proper divisors (41854429240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30605077400 is a wasteful number, since it uses less digits than its factorization.
30605077400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7693 (or 7684 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 32.
The spelling of 30605077400 in words is "thirty billion, six hundred five million, seventy-seven thousand, four hundred".
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