Base | Representation |
---|---|
bin | 11100100010110111… |
… | …110000011011011000 |
3 | 2221010001000210211000 |
4 | 130202313300123120 |
5 | 1000232323001241 |
6 | 22025203505000 |
7 | 2133350052336 |
oct | 344267603330 |
9 | 87101023730 |
10 | 30649812696 |
11 | 11aa9024a18 |
12 | 5b34688160 |
13 | 2b75bb1a59 |
14 | 16aa87ab56 |
15 | be5bd5eb6 |
hex | 722df06d8 |
30649812696 has 64 divisors (see below), whose sum is σ = 88840051200. Its totient is φ = 9772402464.
The previous prime is 30649812689. The next prime is 30649812707. The reversal of 30649812696 is 69621894603.
It is a super-2 number, since 2×306498126962 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079756 + ... + 3089691.
It is an arithmetic number, because the mean of its divisors is an integer number (1388125800).
Almost surely, 230649812696 is an apocalyptic number.
30649812696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30649812696 is an abundant number, since it is smaller than the sum of its proper divisors (58190238504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30649812696 is a wasteful number, since it uses less digits than its factorization.
30649812696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6169485 (or 6169475 counting only the distinct ones).
The product of its (nonzero) digits is 3359232, while the sum is 54.
The spelling of 30649812696 in words is "thirty billion, six hundred forty-nine million, eight hundred twelve thousand, six hundred ninety-six".
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