Base | Representation |
---|---|
bin | 11100001000101010… |
… | …011001111101000100 |
3 | 2212222101122100110120 |
4 | 130020222121331010 |
5 | 443332241331111 |
6 | 21513415221540 |
7 | 2116430441220 |
oct | 341052317504 |
9 | 85871570416 |
10 | 30210105156 |
11 | 118a28a9160 |
12 | 5a313778b0 |
13 | 2b05a79a8a |
14 | 16682db780 |
15 | bbc2cc406 |
hex | 708a99f44 |
30210105156 has 96 divisors (see below), whose sum is σ = 90914503680. Its totient is φ = 7576195200.
The previous prime is 30210105139. The next prime is 30210105197. The reversal of 30210105156 is 65150101203.
It is a super-3 number, since 3×302101051563 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536910 + ... + 590501.
It is an arithmetic number, because the mean of its divisors is an integer number (947026080).
Almost surely, 230210105156 is an apocalyptic number.
It is an amenable number.
30210105156 is an abundant number, since it is smaller than the sum of its proper divisors (60704398524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30210105156 is a wasteful number, since it uses less digits than its factorization.
30210105156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1127465 (or 1127463 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 24.
Adding to 30210105156 its reverse (65150101203), we get a palindrome (95360206359).
The spelling of 30210105156 in words is "thirty billion, two hundred ten million, one hundred five thousand, one hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •