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430531507242 = 23223918417069
BaseRepresentation
bin1100100001111011010…
…11010111010000101010
31112011021110222122020100
412100331223113100222
524023212031212432
6525441120210230
743050654300444
oct6207553272052
91464243878210
10430531507242
111566508a2711
126b534169976
13317a2b6a565
1416ba3045494
15b2ec01107c
hex643dad742a

430531507242 has 12 divisors (see below), whose sum is σ = 932818265730. Its totient is φ = 143510502408.

The previous prime is 430531507223. The next prime is 430531507253. The reversal of 430531507242 is 242705135034.

430531507242 is a `hidden beast` number, since 4 + 3 + 0 + 531 + 50 + 72 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 421939885761 + 8591621481 = 649569^2 + 92691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 430531507197 and 430531507206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11959208517 + ... + 11959208552.

Almost surely, 2430531507242 is an apocalyptic number.

430531507242 is an abundant number, since it is smaller than the sum of its proper divisors (502286758488).

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

430531507242 is a wasteful number, since it uses less digits than its factorization.

430531507242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23918417077 (or 23918417074 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 430531507242 in words is "four hundred thirty billion, five hundred thirty-one million, five hundred seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 23918417069 47836834138 71755251207 143510502414 215265753621 430531507242