Base | Representation |
---|---|
bin | 1011001001000000… |
… | …1000100010100010 |
3 | 21201102021212221000 |
4 | 2302100020202202 |
5 | 22111041324410 |
6 | 1212430212430 |
7 | 134052312564 |
oct | 26220104242 |
9 | 7642255830 |
10 | 2990573730 |
11 | 12a5112341 |
12 | 6b5654116 |
13 | 388763b71 |
14 | 205271334 |
15 | 127830dc0 |
hex | b24088a2 |
2990573730 has 32 divisors (see below), whose sum is σ = 7974864000. Its totient is φ = 797486256.
The previous prime is 2990573713. The next prime is 2990573737. The reversal of 2990573730 is 373750992.
2990573730 is a `hidden beast` number, since 2 + 9 + 9 + 0 + 573 + 73 + 0 = 666.
It is a super-2 number, since 2×29905737302 = 17887062469132225800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (2990573737) 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, 5537830 + ... + 5538369.
It is an arithmetic number, because the mean of its divisors is an integer number (249214500).
Almost surely, 22990573730 is an apocalyptic number.
2990573730 is an abundant number, since it is smaller than the sum of its proper divisors (4984290270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2990573730 is a wasteful number, since it uses less digits than its factorization.
2990573730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11076215 (or 11076209 counting only the distinct ones).
The product of its (nonzero) digits is 357210, while the sum is 45.
The square root of 2990573730 is about 54686.1383716203. The cubic root of 2990573730 is about 1440.7374261180.
The spelling of 2990573730 in words is "two billion, nine hundred ninety million, five hundred seventy-three thousand, seven hundred thirty".
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