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2530172383 = 13119314293
BaseRepresentation
bin1001011011001111…
…0101110111011111
320112022222002000021
42112303311313133
520140211004013
61055022213011
7116462052604
oct22663656737
96468862007
102530172383
111089241a62
125a7424167
13314264a2b
141a00666ab
15ec1daa8d
hex96cf5ddf

2530172383 has 4 divisors (see below), whose sum is σ = 2549486808. Its totient is φ = 2510857960.

The previous prime is 2530172371. The next prime is 2530172399. The reversal of 2530172383 is 3832710352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2530172383 is a prime.

It is a super-3 number, since 3×25301723833 (a number of 29 digits) contains 333 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 (2530172683) 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, 9657016 + ... + 9657277.

It is an arithmetic number, because the mean of its divisors is an integer number (637371702).

Almost surely, 22530172383 is an apocalyptic number.

2530172383 is a deficient number, since it is larger than the sum of its proper divisors (19314425).

2530172383 is a wasteful number, since it uses less digits than its factorization.

2530172383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19314424.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2530172383 is about 50300.8189098349. The cubic root of 2530172383 is about 1362.6470186501.

The spelling of 2530172383 in words is "two billion, five hundred thirty million, one hundred seventy-two thousand, three hundred eighty-three".

Divisors: 1 131 19314293 2530172383