Base | Representation |
---|---|
bin | 11100101001110111… |
… | …001011000010001000 |
3 | 2221102012201121210201 |
4 | 130221313023002020 |
5 | 1001002334200130 |
6 | 22044553421544 |
7 | 2136303015055 |
oct | 345167130210 |
9 | 87365647721 |
10 | 30767100040 |
11 | 12059253706 |
12 | 5b67a0a8b4 |
13 | 2b94299051 |
14 | 16bc28c02c |
15 | c01152bca |
hex | 729dcb088 |
30767100040 has 32 divisors (see below), whose sum is σ = 69554079360. Its totient is φ = 12248510400.
The previous prime is 30767099983. The next prime is 30767100047. The reversal of 30767100040 is 4000176703.
It is a super-2 number, since 2×307671000402 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30767099981 and 30767100008.
It is not an unprimeable number, because it can be changed into a prime (30767100047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814256 + ... + 1831135.
It is an arithmetic number, because the mean of its divisors is an integer number (2173564980).
Almost surely, 230767100040 is an apocalyptic number.
It is an amenable number.
30767100040 is an abundant number, since it is smaller than the sum of its proper divisors (38786979320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30767100040 is a wasteful number, since it uses less digits than its factorization.
30767100040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3645613 (or 3645609 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 28.
Adding to 30767100040 its reverse (4000176703), we get a palindrome (34767276743).
The spelling of 30767100040 in words is "thirty billion, seven hundred sixty-seven million, one hundred thousand, forty".
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