Base | Representation |
---|---|
bin | 11100111000000010… |
… | …110100011011111010 |
3 | 2222000210102221011021 |
4 | 130320002310123322 |
5 | 1001444242043414 |
6 | 22124333253054 |
7 | 2145222304546 |
oct | 347002643372 |
9 | 88023387137 |
10 | 31005034234 |
11 | 12170596139 |
12 | 601363418a |
13 | 2c01675805 |
14 | 1701b06a26 |
15 | c16ea1c24 |
hex | 7380b46fa |
31005034234 has 8 divisors (see below), whose sum is σ = 46529884800. Its totient is φ = 15495072636.
The previous prime is 31005034211. The next prime is 31005034321. The reversal of 31005034234 is 43243050013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×310050342342 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31005034199 and 31005034208.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3717034 + ... + 3725365.
It is an arithmetic number, because the mean of its divisors is an integer number (5816235600).
Almost surely, 231005034234 is an apocalyptic number.
31005034234 is a deficient number, since it is larger than the sum of its proper divisors (15524850566).
31005034234 is a wasteful number, since it uses less digits than its factorization.
31005034234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7444484.
The product of its (nonzero) digits is 4320, while the sum is 25.
Adding to 31005034234 its reverse (43243050013), we get a palindrome (74248084247).
The spelling of 31005034234 in words is "thirty-one billion, five million, thirty-four thousand, two hundred thirty-four".
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