Base | Representation |
---|---|
bin | 11100000000100001… |
… | …111101100000111110 |
3 | 2212121212220220211000 |
4 | 130000201331200332 |
5 | 443042330030130 |
6 | 21452103111130 |
7 | 2113153003146 |
oct | 340041754076 |
9 | 85555826730 |
10 | 30073673790 |
11 | 11832894266 |
12 | 59b37424a6 |
13 | 2ab371bb64 |
14 | 1654145926 |
15 | bb032d260 |
hex | 70087d83e |
30073673790 has 32 divisors (see below), whose sum is σ = 80196464160. Its totient is φ = 8019646272.
The previous prime is 30073673789. The next prime is 30073673807. The reversal of 30073673790 is 9737637003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55691719 + ... + 55692258.
It is an arithmetic number, because the mean of its divisors is an integer number (2506139505).
Almost surely, 230073673790 is an apocalyptic number.
30073673790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30073673790 is an abundant number, since it is smaller than the sum of its proper divisors (50122790370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30073673790 is a wasteful number, since it uses less digits than its factorization.
30073673790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111383993 (or 111383987 counting only the distinct ones).
The product of its (nonzero) digits is 500094, while the sum is 45.
The spelling of 30073673790 in words is "thirty billion, seventy-three million, six hundred seventy-three thousand, seven hundred ninety".
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