Base | Representation |
---|---|
bin | 11100101000011000… |
… | …101100010110010011 |
3 | 2221100111010022120020 |
4 | 130220120230112103 |
5 | 1000430014122234 |
6 | 22042310514523 |
7 | 2135552342322 |
oct | 345030542623 |
9 | 87314108506 |
10 | 30742332819 |
11 | 12046277730 |
12 | 5b5b665a43 |
13 | 2b8c106aa3 |
14 | 16b8c820b9 |
15 | beddae549 |
hex | 72862c593 |
30742332819 has 8 divisors (see below), whose sum is σ = 44716120512. Its totient is φ = 18631716840.
The previous prime is 30742332811. The next prime is 30742332869. The reversal of 30742332819 is 91823324703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30742332819 - 23 = 30742332811 is a prime.
It is a super-2 number, since 2×307423328192 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30742332811) 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, 465792889 + ... + 465792954.
It is an arithmetic number, because the mean of its divisors is an integer number (5589515064).
Almost surely, 230742332819 is an apocalyptic number.
30742332819 is a deficient number, since it is larger than the sum of its proper divisors (13973787693).
30742332819 is a wasteful number, since it uses less digits than its factorization.
30742332819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 931585857.
The product of its (nonzero) digits is 217728, while the sum is 42.
The spelling of 30742332819 in words is "thirty billion, seven hundred forty-two million, three hundred thirty-two thousand, eight hundred nineteen".
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