Base | Representation |
---|---|
bin | 11011111100111101… |
… | …001000111111000000 |
3 | 2212110201001102020110 |
4 | 123330331020333000 |
5 | 442432001033132 |
6 | 21442121311320 |
7 | 2111524103532 |
oct | 337475107700 |
9 | 85421042213 |
10 | 30013689792 |
11 | 11801a44409 |
12 | 5997635540 |
13 | 2aa4179278 |
14 | 164a1ad852 |
15 | ba9e301cc |
hex | 6fcf48fc0 |
30013689792 has 56 divisors (see below), whose sum is σ = 79582971136. Its totient is φ = 9982925568.
The previous prime is 30013689791. The next prime is 30013689821. The reversal of 30013689792 is 29798631003.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013689791) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79918 + ... + 257709.
Almost surely, 230013689792 is an apocalyptic number.
30013689792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30013689792 is an abundant number, since it is smaller than the sum of its proper divisors (49569281344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30013689792 is a wasteful number, since it uses less digits than its factorization.
30013689792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338105 (or 338095 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 48.
The spelling of 30013689792 in words is "thirty billion, thirteen million, six hundred eighty-nine thousand, seven hundred ninety-two".
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