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2530312312 = 231126534003
BaseRepresentation
bin1001011011010001…
…1000000001111000
320112100020011221211
42112310120001320
520140224443222
61055025212504
7116463204553
oct22664300170
96470204854
102530312312
111089328100
125a7491134
133142b3628
141a00a169a
15ec217277
hex96d18078

2530312312 has 48 divisors (see below), whose sum is σ = 5224138920. Its totient is φ = 1148093760.

The previous prime is 2530312259. The next prime is 2530312319. The reversal of 2530312312 is 2132130352.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530312319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630103 + ... + 634105.

Almost surely, 22530312312 is an apocalyptic number.

2530312312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530312312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612069460).

2530312312 is an abundant number, since it is smaller than the sum of its proper divisors (2693826608).

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

2530312312 is a wasteful number, since it uses less digits than its factorization.

2530312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2530312312 is about 50302.2098122935. The cubic root of 2530312312 is about 1362.6721381928.

Adding to 2530312312 its reverse (2132130352), we get a palindrome (4662442664).

The spelling of 2530312312 in words is "two billion, five hundred thirty million, three hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 653 968 1306 2612 4003 5224 7183 8006 14366 16012 28732 32024 44033 57464 79013 88066 158026 176132 316052 352264 484363 632104 968726 1937452 2613959 3874904 5227918 10455836 20911672 28753549 57507098 115014196 230028392 316289039 632578078 1265156156 2530312312