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234553443540 = 223513300709543
BaseRepresentation
bin1101101001110001111…
…0011000010011010100
3211102102102200111010120
43122130132120103110
512320331140143130
6255430302151540
722642311242313
oct3323436302324
9742372614116
10234553443540
1190523338809
123955b5825b0
131916cb80660
14b4d118827a
15617bbe6910
hex369c7984d4

234553443540 has 48 divisors (see below), whose sum is σ = 707268847488. Its totient is φ = 57736232064.

The previous prime is 234553443521. The next prime is 234553443557. The reversal of 234553443540 is 45344355432.

234553443540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 234553443492 and 234553443501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150353992 + ... + 150355551.

It is an arithmetic number, because the mean of its divisors is an integer number (14734767656).

Almost surely, 2234553443540 is an apocalyptic number.

234553443540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234553443540 is an abundant number, since it is smaller than the sum of its proper divisors (472715403948).

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

234553443540 is a wasteful number, since it uses less digits than its factorization.

234553443540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300709568 (or 300709566 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 42.

Adding to 234553443540 its reverse (45344355432), we get a palindrome (279897798972).

The spelling of 234553443540 in words is "two hundred thirty-four billion, five hundred fifty-three million, four hundred forty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 300709543 601419086 902128629 1202838172 1503547715 1804257258 3007095430 3608514516 3909224059 4510643145 6014190860 7818448118 9021286290 11727672177 15636896236 18042572580 19546120295 23455344354 39092240590 46910688708 58638360885 78184481180 117276721770 234553443540