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231302850240 = 26357113738389
BaseRepresentation
bin1101011101101010111…
…0010110011011000000
3211010000220010020102010
43113122232112123000
512242202012201430
6254131542452520
722465620534030
oct3273256263300
9733026106363
10231302850240
118a105479970
12389b2a34140
1318a725a9677
14b2a358d8c0
15603b652cb0
hex35dab966c0

231302850240 has 448 divisors, whose sum is σ = 918162938880. Its totient is φ = 47928360960.

The previous prime is 231302850151. The next prime is 231302850241. The reversal of 231302850240 is 42058203132.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 231302850198 and 231302850207.

It is not an unprimeable number, because it can be changed into a prime (231302850241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27567966 + ... + 27576354.

Almost surely, 2231302850240 is an apocalyptic number.

231302850240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231302850240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459081469440).

231302850240 is an abundant number, since it is smaller than the sum of its proper divisors (686860088640).

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

231302850240 is a wasteful number, since it uses less digits than its factorization.

231302850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800 (or 8790 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 231302850240 in words is "two hundred thirty-one billion, three hundred two million, eight hundred fifty thousand, two hundred forty".