Base | Representation |
---|---|
bin | 11100001000011001… |
… | …111010000011100000 |
3 | 2212222002111121201201 |
4 | 130020121322003200 |
5 | 443330134431232 |
6 | 21513142410544 |
7 | 2116345616050 |
oct | 341031720340 |
9 | 85862447651 |
10 | 30205780192 |
11 | 118a0414805 |
12 | 5a2ba30a54 |
13 | 2b04bc4323 |
14 | 16678d3560 |
15 | bbbc25be7 |
hex | 70867a0e0 |
30205780192 has 48 divisors (see below), whose sum is σ = 68823336960. Its totient is φ = 12781461888.
The previous prime is 30205780159. The next prime is 30205780201. The reversal of 30205780192 is 29108750203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835768 + ... + 871159.
It is an arithmetic number, because the mean of its divisors is an integer number (1433819520).
Almost surely, 230205780192 is an apocalyptic number.
30205780192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30205780192 is an abundant number, since it is smaller than the sum of its proper divisors (38617556768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30205780192 is a wasteful number, since it uses less digits than its factorization.
30205780192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1707023 (or 1707015 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The spelling of 30205780192 in words is "thirty billion, two hundred five million, seven hundred eighty thousand, one hundred ninety-two".
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