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235780002469 = 1121434545679
BaseRepresentation
bin1101101110010110010…
…1010101001010100101
3211112120220200010200001
43123211211111022211
512330334140034334
6300152115421301
723014563645004
oct3334545251245
9745526603601
10235780002469
1190aa2734680
12398422b4831
131930701377b
14b5aa02cc3b
1561ee72b714
hex36e59552a5

235780002469 has 4 divisors (see below), whose sum is σ = 257214548160. Its totient is φ = 214345456780.

The previous prime is 235780002349. The next prime is 235780002509. The reversal of 235780002469 is 964200087532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235780002469 - 29 = 235780001957 is a prime.

It is a super-2 number, since 2×2357800024692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235780002569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10717272829 + ... + 10717272850.

It is an arithmetic number, because the mean of its divisors is an integer number (64303637040).

Almost surely, 2235780002469 is an apocalyptic number.

It is an amenable number.

235780002469 is a deficient number, since it is larger than the sum of its proper divisors (21434545691).

235780002469 is a wasteful number, since it uses less digits than its factorization.

235780002469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434545690.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 235780002469 in words is "two hundred thirty-five billion, seven hundred eighty million, two thousand, four hundred sixty-nine".

Divisors: 1 11 21434545679 235780002469