Base | Representation |
---|---|
bin | 11100000011101011… |
… | …110001100101111011 |
3 | 2212202120110201210210 |
4 | 130003223301211323 |
5 | 443144400444133 |
6 | 21501233042203 |
7 | 2114364455022 |
oct | 340353614573 |
9 | 85676421723 |
10 | 30126578043 |
11 | 1185a738a91 |
12 | 5a093b6363 |
13 | 2ac1683153 |
14 | 165b1978b9 |
15 | bb4ccd763 |
hex | 703af197b |
30126578043 has 16 divisors (see below), whose sum is σ = 41350196736. Its totient is φ = 19496193120.
The previous prime is 30126577967. The next prime is 30126578077. The reversal of 30126578043 is 34087562103.
It is not a de Polignac number, because 30126578043 - 212 = 30126573947 is a prime.
It is a super-2 number, since 2×301265780432 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30126577992 and 30126578010.
It is not an unprimeable number, because it can be changed into a prime (30126578243) 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, 267021 + ... + 362702.
It is an arithmetic number, because the mean of its divisors is an integer number (2584387296).
Almost surely, 230126578043 is an apocalyptic number.
30126578043 is a deficient number, since it is larger than the sum of its proper divisors (11223618693).
30126578043 is a wasteful number, since it uses less digits than its factorization.
30126578043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630194.
The product of its (nonzero) digits is 120960, while the sum is 39.
The spelling of 30126578043 in words is "thirty billion, one hundred twenty-six million, five hundred seventy-eight thousand, forty-three".
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