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30400234424 = 2371932812753
BaseRepresentation
bin11100010011111111…
…101100001110111000
32220110122101220210022
4130103333230032320
5444224430000144
621544330310012
72124226505030
oct342377541670
986418356708
1030400234424
111199015a08a
125a84b88308
132b362892c1
1416856708c0
15bcdd36cee
hex713fec3b8

30400234424 has 32 divisors (see below), whose sum is σ = 65480913120. Its totient is φ = 12961161216.

The previous prime is 30400234387. The next prime is 30400234457. The reversal of 30400234424 is 42443200403.

It is a super-3 number, since 3×304002344243 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30400234393 and 30400234402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395569 + ... + 1417184.

It is an arithmetic number, because the mean of its divisors is an integer number (2046278535).

Almost surely, 230400234424 is an apocalyptic number.

It is an amenable number.

30400234424 is an abundant number, since it is smaller than the sum of its proper divisors (35080678696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30400234424 is a wasteful number, since it uses less digits than its factorization.

30400234424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812959 (or 2812955 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 30400234424 its reverse (42443200403), we get a palindrome (72843434827).

The spelling of 30400234424 in words is "thirty billion, four hundred million, two hundred thirty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 193 386 772 1351 1544 2702 5404 10808 2812753 5625506 11251012 19689271 22502024 39378542 78757084 157514168 542861329 1085722658 2171445316 3800029303 4342890632 7600058606 15200117212 30400234424