Base | Representation |
---|---|
bin | 11100011010011001… |
… | …101000101101100000 |
3 | 2220202010121200112021 |
4 | 130122121220231200 |
5 | 444434432332130 |
6 | 22003125511224 |
7 | 2130003106660 |
oct | 343231505540 |
9 | 86663550467 |
10 | 30507699040 |
11 | 11a35889915 |
12 | 5ab4b72514 |
13 | 2b52614630 |
14 | 1695a461a0 |
15 | bd84b337a |
hex | 71a668b60 |
30507699040 has 96 divisors (see below), whose sum is σ = 88707044160. Its totient is φ = 9655179264.
The previous prime is 30507698999. The next prime is 30507699041. The reversal of 30507699040 is 4099670503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30507699041) 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, 1033095 + ... + 1062214.
It is an arithmetic number, because the mean of its divisors is an integer number (924031710).
Almost surely, 230507699040 is an apocalyptic number.
It is an amenable number.
30507699040 is an abundant number, since it is smaller than the sum of its proper divisors (58199345120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30507699040 is a wasteful number, since it uses less digits than its factorization.
30507699040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2095344 (or 2095336 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 43.
The spelling of 30507699040 in words is "thirty billion, five hundred seven million, six hundred ninety-nine thousand, forty".
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