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2160122251 = 7917333641
BaseRepresentation
bin1000000011000000…
…1101100110001011
312120112122120122211
42000300031212023
513410442403001
6554202525551
7104346510340
oct20060154613
95515576584
102160122251
11a09372901
125035068b7
132856ab661
14166c5a7c7
15c9991351
hex80c0d98b

2160122251 has 8 divisors (see below), whose sum is σ = 2469053664. Its totient is φ = 1851276480.

The previous prime is 2160122233. The next prime is 2160122267. The reversal of 2160122251 is 1522210612.

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 2160122251 - 213 = 2160114059 is a prime.

It is a super-2 number, since 2×21601222512 = 9332256278530614002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2160122231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47391 + ... + 81031.

It is an arithmetic number, because the mean of its divisors is an integer number (308631708).

Almost surely, 22160122251 is an apocalyptic number.

2160122251 is a deficient number, since it is larger than the sum of its proper divisors (308931413).

2160122251 is an equidigital number, since it uses as much as digits as its factorization.

2160122251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42821.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2160122251 is about 46477.1153472330. The cubic root of 2160122251 is about 1292.6852007623.

Adding to 2160122251 its reverse (1522210612), we get a palindrome (3682332863).

The spelling of 2160122251 in words is "two billion, one hundred sixty million, one hundred twenty-two thousand, two hundred fifty-one".

Divisors: 1 7 9173 33641 64211 235487 308588893 2160122251