Base | Representation |
---|---|
bin | 1101111101111111010010… |
… | …10001001001001100100100 |
3 | 11000202112112012112112211210 |
4 | 12332333221101021030210 |
5 | 13011232334012003030 |
6 | 145155144230031420 |
7 | 6320150315043621 |
oct | 676775121111444 |
9 | 130675465475753 |
10 | 30717224719140 |
11 | 9873113615123 |
12 | 35412544a8570 |
13 | 141a8112ccc9b |
14 | 782a16149348 |
15 | 38405b146bb0 |
hex | 1befe9449324 |
30717224719140 has 24 divisors (see below), whose sum is σ = 86008229213760. Its totient is φ = 8191259925088.
The previous prime is 30717224719127. The next prime is 30717224719141. The reversal of 30717224719140 is 4191742271703.
It is a happy number.
It is a super-2 number, since 2×307172247191402 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30717224719140.
It is not an unprimeable number, because it can be changed into a prime (30717224719141) 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, 255976872600 + ... + 255976872719.
It is an arithmetic number, because the mean of its divisors is an integer number (3583676217240).
Almost surely, 230717224719140 is an apocalyptic number.
30717224719140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30717224719140 is an abundant number, since it is smaller than the sum of its proper divisors (55291004494620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30717224719140 is a wasteful number, since it uses less digits than its factorization.
30717224719140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511953745331 (or 511953745329 counting only the distinct ones).
The product of its (nonzero) digits is 592704, while the sum is 48.
The spelling of 30717224719140 in words is "thirty trillion, seven hundred seventeen billion, two hundred twenty-four million, seven hundred nineteen thousand, one hundred forty".
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