Base | Representation |
---|---|
bin | 11100101010001011… |
… | …001111101001111010 |
3 | 2221102120121221122120 |
4 | 130222023033221322 |
5 | 1001010211034400 |
6 | 22045302302110 |
7 | 2136365521446 |
oct | 345213175172 |
9 | 87376557576 |
10 | 30772361850 |
11 | 12061217a0a |
12 | 5b69727936 |
13 | 2b953bc049 |
14 | 16bcc5b826 |
15 | c01841ca0 |
hex | 72a2cfa7a |
30772361850 has 48 divisors (see below), whose sum is σ = 77071093920. Its totient is φ = 8124712000.
The previous prime is 30772361839. The next prime is 30772361887. The reversal of 30772361850 is 5816327703.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000440 + ... + 1030739.
It is an arithmetic number, because the mean of its divisors is an integer number (1605647790).
Almost surely, 230772361850 is an apocalyptic number.
30772361850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30772361850 is an abundant number, since it is smaller than the sum of its proper divisors (46298732070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30772361850 is a wasteful number, since it uses less digits than its factorization.
30772361850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2031295 (or 2031290 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 42.
The spelling of 30772361850 in words is "thirty billion, seven hundred seventy-two million, three hundred sixty-one thousand, eight hundred fifty".
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