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234511705230 = 2351117139311967
BaseRepresentation
bin1101101001100111111…
…1001010010010001110
3211102022112010221221020
43122121333022102032
512320234444031410
6255422211415010
722641263414265
oct3323177122216
9742275127836
10234511705230
1190501820140
12395495b4466
131916432882a
14b4c98015dc
1561781eea70
hex3699fca48e

234511705230 has 256 divisors, whose sum is σ = 657573396480. Its totient is φ = 52896614400.

The previous prime is 234511705229. The next prime is 234511705237. The reversal of 234511705230 is 32507115432.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 234511705191 and 234511705200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234511705237) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 242514207 + ... + 242515173.

It is an arithmetic number, because the mean of its divisors is an integer number (2568646080).

Almost surely, 2234511705230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234511705230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328786698240).

234511705230 is an abundant number, since it is smaller than the sum of its proper divisors (423061691250).

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

234511705230 is a wasteful number, since it uses less digits than its factorization.

234511705230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 234511705230 in words is "two hundred thirty-four billion, five hundred eleven million, seven hundred five thousand, two hundred thirty".