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23786075147409 = 3216256992
BaseRepresentation
bin1010110100010001000001…
…00011110100110010010001
310010012221000110210201101100
411122020200203310302101
511104202340214204114
6122331101100055013
75003326054545111
oct532104043646221
9103187013721340
1023786075147409
117640688356673
122801a98534469
13103702bc02b53
145c3375da5041
152b3ae517e909
hex15a2208f4c91

23786075147409 has 9 divisors (see below), whose sum is σ = 34357685235913. Its totient is φ = 15857373677412.

The previous prime is 23786075147353. The next prime is 23786075147441. The reversal of 23786075147409 is 90474157068732.

The square root of 23786075147409 is 4877097.

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

23786075147409 is a `hidden beast` number, since 2 + 3 + 7 + 8 + 607 + 5 + 14 + 7 + 4 + 0 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 23786075147409 - 213 = 23786075139217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23786075147209) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13818442 + ... + 15444140.

It is a 1-persistent number, because it is pandigital, but 2⋅23786075147409 = 47572150294818 is not.

Almost surely, 223786075147409 is an apocalyptic number.

23786075147409 is the 4877097-th square number.

23786075147409 is the 2438549-th centered octagonal number.

It is an amenable number.

23786075147409 is a deficient number, since it is larger than the sum of its proper divisors (10571610088504).

23786075147409 is an frugal number, since it uses more digits than its factorization.

23786075147409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251404 (or 1625702 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 23786075147409 in words is "twenty-three trillion, seven hundred eighty-six billion, seventy-five million, one hundred forty-seven thousand, four hundred nine".

Divisors: 1 3 9 1625699 4877097 14631291 2642897238601 7928691715803 23786075147409