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2530320120 = 233551715313
BaseRepresentation
bin1001011011010001…
…1001111011111000
320112100020120200000
42112310121323320
520140230220440
61055025313000
7116463236406
oct22664317370
96470216600
102530320120
111089332a59
125a7495760
133142b7053
141a00a4476
15ec219730
hex96d19ef8

2530320120 has 192 divisors, whose sum is σ = 9030359520. Its totient is φ = 635019264.

The previous prime is 2530320109. The next prime is 2530320127. The reversal of 2530320120 is 210230352.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2530320093 and 2530320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530320127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157584 + ... + 172896.

Almost surely, 22530320120 is an apocalyptic number.

2530320120 is a gapful number since it is divisible by the number (20) 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 2530320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4515179760).

2530320120 is an abundant number, since it is smaller than the sum of its proper divisors (6500039400).

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

2530320120 is a wasteful number, since it uses less digits than its factorization.

2530320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356 (or 15340 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2530320120 is about 50302.2874231381. The cubic root of 2530320120 is about 1362.6735398291.

Adding to 2530320120 its reverse (210230352), we get a palindrome (2740550472).

The spelling of 2530320120 in words is "two billion, five hundred thirty million, three hundred twenty thousand, one hundred twenty".