Base | Representation |
---|---|
bin | 1110000010000000000111… |
… | …01101010000011101010000 |
3 | 11001020201102110211212000000 |
4 | 13001000003231100131100 |
5 | 13021012224424000000 |
6 | 145342350211130000 |
7 | 6333131215160535 |
oct | 701000355203520 |
9 | 131221373755000 |
10 | 30855107250000 |
11 | 9916639719370 |
12 | 3563b14ba3900 |
13 | 142a816298957 |
14 | 789576460d8c |
15 | 38792b000000 |
hex | 1c1003b50750 |
30855107250000 has 980 divisors, whose sum is σ = 122231357918592. Its totient is φ = 7479540000000.
The previous prime is 30855107249977. The next prime is 30855107250001. The reversal of 30855107250000 is 5270155803.
30855107250000 is a `hidden beast` number, since 3 + 0 + 85 + 5 + 1 + 0 + 72 + 500 + 0 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30855107250001) by changing a digit.
It is a polite number, since it can be written in 195 ways as a sum of consecutive naturals, for example, 2004742305 + ... + 2004757695.
Almost surely, 230855107250000 is an apocalyptic number.
30855107250000 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 30855107250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61115678959296).
30855107250000 is an abundant number, since it is smaller than the sum of its proper divisors (91376250668592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30855107250000 is an frugal number, since it uses more digits than its factorization.
30855107250000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15458 (or 15412 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The spelling of 30855107250000 in words is "thirty trillion, eight hundred fifty-five billion, one hundred seven million, two hundred fifty thousand".
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