Base | Representation |
---|---|
bin | 11100011111110001… |
… | …111011010111010100 |
3 | 2220222102110001122210 |
4 | 130133301323113110 |
5 | 1000131033443410 |
6 | 22020112153420 |
7 | 2132150211000 |
oct | 343761732724 |
9 | 86872401583 |
10 | 30597952980 |
11 | 11a81823a51 |
12 | 5b1b238870 |
13 | 2b6822502a |
14 | 16a3a1b700 |
15 | be1390220 |
hex | 71fc7b5d4 |
30597952980 has 96 divisors (see below), whose sum is σ = 99911750400. Its totient is φ = 6993813120.
The previous prime is 30597952969. The next prime is 30597952981. The reversal of 30597952980 is 8925979503.
It is a self number, because there is not a number n which added to its sum of digits gives 30597952980.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30597952981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722811 + ... + 763970.
It is an arithmetic number, because the mean of its divisors is an integer number (1040747400).
Almost surely, 230597952980 is an apocalyptic number.
30597952980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30597952980 is an abundant number, since it is smaller than the sum of its proper divisors (69313797420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30597952980 is a wasteful number, since it uses less digits than its factorization.
30597952980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1486814 (or 1486798 counting only the distinct ones).
The product of its (nonzero) digits is 6123600, while the sum is 57.
The spelling of 30597952980 in words is "thirty billion, five hundred ninety-seven million, nine hundred fifty-two thousand, nine hundred eighty".
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