Base | Representation |
---|---|
bin | 11100001000101001… |
… | …111110011111110100 |
3 | 2212222101102122012020 |
4 | 130020221332133310 |
5 | 443332224231232 |
6 | 21513412553140 |
7 | 2116426462305 |
oct | 341051763764 |
9 | 85871378166 |
10 | 30209992692 |
11 | 118a2831710 |
12 | 5a313227b0 |
13 | 2b05a3a829 |
14 | 16682ac7ac |
15 | bbc2a8e2c |
hex | 708a7e7f4 |
30209992692 has 24 divisors (see below), whose sum is σ = 76898163552. Its totient is φ = 9154543200.
The previous prime is 30209992651. The next prime is 30209992789. The reversal of 30209992692 is 29629990203.
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, 114431659 + ... + 114431922.
It is an arithmetic number, because the mean of its divisors is an integer number (3204090148).
Almost surely, 230209992692 is an apocalyptic number.
It is an amenable number.
30209992692 is an abundant number, since it is smaller than the sum of its proper divisors (46688170860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30209992692 is a wasteful number, since it uses less digits than its factorization.
30209992692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228863599 (or 228863597 counting only the distinct ones).
The product of its (nonzero) digits is 944784, while the sum is 51.
The spelling of 30209992692 in words is "thirty billion, two hundred nine million, nine hundred ninety-two thousand, six hundred ninety-two".
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