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2025122231 = 11359512819
BaseRepresentation
bin111100010110100…
…1110100110110111
312020010121212110002
41320231032212313
513121412402411
6532541221515
7101120153306
oct17055164667
95203555402
102025122231
1194a146340
1248626189b
132637320a2
14152d5843d
15bcbc633b
hex78b4e9b7

2025122231 has 8 divisors (see below), whose sum is σ = 2215382400. Its totient is φ = 1835888440.

The previous prime is 2025122179. The next prime is 2025122303. The reversal of 2025122231 is 1322215202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2025122231 - 26 = 2025122167 is a prime.

It is a super-2 number, since 2×20251222312 = 8202240100980834722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025122731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252461 + ... + 260358.

It is an arithmetic number, because the mean of its divisors is an integer number (276922800).

Almost surely, 22025122231 is an apocalyptic number.

2025122231 is a deficient number, since it is larger than the sum of its proper divisors (190260169).

2025122231 is a wasteful number, since it uses less digits than its factorization.

2025122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513189.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2025122231 is about 45001.3581017284. The cubic root of 2025122231 is about 1265.1744526548.

Adding to 2025122231 its reverse (1322215202), we get a palindrome (3347337433).

The spelling of 2025122231 in words is "two billion, twenty-five million, one hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 11 359 3949 512819 5641009 184102021 2025122231