Base | Representation |
---|---|
bin | 11100100110010111… |
… | …111011001110000000 |
3 | 2221021010121100111100 |
4 | 130212113323032000 |
5 | 1000342343432102 |
6 | 22035103214400 |
7 | 2134662412311 |
oct | 344627731600 |
9 | 87233540440 |
10 | 30708577152 |
11 | 12029211590 |
12 | 5b502a7400 |
13 | 2b85118516 |
14 | 16b45b6608 |
15 | beae42a1c |
hex | 7265fb380 |
30708577152 has 192 divisors, whose sum is σ = 96841704960. Its totient is φ = 9263047680.
The previous prime is 30708577127. The next prime is 30708577171. The reversal of 30708577152 is 25177580703.
30708577152 is a `hidden beast` number, since 3 + 0 + 70 + 8 + 577 + 1 + 5 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a super-2 number, since 2×307085771522 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30708577098 and 30708577107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2820423 + ... + 2831289.
It is an arithmetic number, because the mean of its divisors is an integer number (504383880).
Almost surely, 230708577152 is an apocalyptic number.
30708577152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30708577152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48420852480).
30708577152 is an abundant number, since it is smaller than the sum of its proper divisors (66133127808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30708577152 is a wasteful number, since it uses less digits than its factorization.
30708577152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11121 (or 11106 counting only the distinct ones).
The product of its (nonzero) digits is 411600, while the sum is 45.
The spelling of 30708577152 in words is "thirty billion, seven hundred eight million, five hundred seventy-seven thousand, one hundred fifty-two".
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