Base | Representation |
---|---|
bin | 11100101111001011… |
… | …111011011001101111 |
3 | 2221122102210220112001 |
4 | 130233023323121233 |
5 | 1001143221131434 |
6 | 22101504153131 |
7 | 2141436205630 |
oct | 345713733157 |
9 | 87572726461 |
10 | 30856427119 |
11 | 120a4715441 |
12 | 5b919087a7 |
13 | 2ba99438cb |
14 | 16ca0a1887 |
15 | c08dea114 |
hex | 72f2fb66f |
30856427119 has 16 divisors (see below), whose sum is σ = 35443807488. Its totient is φ = 26314036992.
The previous prime is 30856426969. The next prime is 30856427123. The reversal of 30856427119 is 91172465803.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30856427119 is a prime.
It is a super-2 number, since 2×308564271192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30856427149) 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, 2690812 + ... + 2702254.
It is an arithmetic number, because the mean of its divisors is an integer number (2215237968).
It is a 1-persistent number, because it is pandigital, but 2⋅30856427119 = 61712854238 is not.
Almost surely, 230856427119 is an apocalyptic number.
30856427119 is a deficient number, since it is larger than the sum of its proper divisors (4587380369).
30856427119 is a wasteful number, since it uses less digits than its factorization.
30856427119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13374.
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 30856427119 in words is "thirty billion, eight hundred fifty-six million, four hundred twenty-seven thousand, one hundred nineteen".
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