Base | Representation |
---|---|
bin | 11100000101100000… |
… | …011110111111111101 |
3 | 2212211201001002211110 |
4 | 130011200132333331 |
5 | 443230214011413 |
6 | 21504244512233 |
7 | 2115215511252 |
oct | 340540367775 |
9 | 85751032743 |
10 | 30157172733 |
11 | 11875a35256 |
12 | 5a176ab679 |
13 | 2ac7b05a0c |
14 | 166127d429 |
15 | bb78238c3 |
hex | 70581effd |
30157172733 has 16 divisors (see below), whose sum is σ = 40435994240. Its totient is φ = 19991660544.
The previous prime is 30157172707. The next prime is 30157172737. The reversal of 30157172733 is 33727175103.
It is not a de Polignac number, because 30157172733 - 25 = 30157172701 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30157172691 and 30157172700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30157172737) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438833 + ... + 1459641.
It is an arithmetic number, because the mean of its divisors is an integer number (2527249640).
Almost surely, 230157172733 is an apocalyptic number.
It is an amenable number.
30157172733 is a deficient number, since it is larger than the sum of its proper divisors (10278821507).
30157172733 is a wasteful number, since it uses less digits than its factorization.
30157172733 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23508.
The product of its (nonzero) digits is 92610, while the sum is 39.
The spelling of 30157172733 in words is "thirty billion, one hundred fifty-seven million, one hundred seventy-two thousand, seven hundred thirty-three".
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