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235852714105009 = 153574972
BaseRepresentation
bin110101101000000110111101…
…001111100101100010110001
31010221002022002011110200012221
4311220012331033211202301
5221403202324302330014
62153341124023521041
7100451540060044441
oct6550067517454261
91127068064420187
10235852714105009
11691716354989a1
1222551a048b9181
13a17aa7a893361
144235491a74121
151c4010c640b24
hexd681bd3e58b1

235852714105009 has 3 divisors (see below), whose sum is σ = 235852729462507. Its totient is φ = 235852698747512.

The previous prime is 235852714105007. The next prime is 235852714105013. The reversal of 235852714105009 is 900501417258532.

The square root of 235852714105009 is 15357497.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 228763658754225 + 7089055350784 = 15124935^2 + 2662528^2 .

It is not a de Polignac number, because 235852714105009 - 21 = 235852714105007 is a prime.

It is a super-2 number, since 2×2358527141050092 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235852714105003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7678749 + ... + 23036245.

Almost surely, 2235852714105009 is an apocalyptic number.

235852714105009 is the 15357497-th square number.

235852714105009 is the 7678749-th centered octagonal number.

It is an amenable number.

235852714105009 is a deficient number, since it is larger than the sum of its proper divisors (15357498).

235852714105009 is an frugal number, since it uses more digits than its factorization.

235852714105009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30714994 (or 15357497 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 235852714105009 in words is "two hundred thirty-five trillion, eight hundred fifty-two billion, seven hundred fourteen million, one hundred five thousand, nine".

Divisors: 1 15357497 235852714105009