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2153611001 = 4019715531
BaseRepresentation
bin1000000001011101…
…0111111011111001
312120002101202220102
42000113113323321
513402311023001
6553411205145
7104240251163
oct20027277371
95502352812
102153611001
11a05725903
125012a67b5
1328423ba49
14166043933
15c9106e6b
hex805d7ef9

2153611001 has 8 divisors (see below), whose sum is σ = 2161595808. Its totient is φ = 2145640000.

The previous prime is 2153610997. The next prime is 2153611007. The reversal of 2153611001 is 1001163512.

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 2153611001 - 22 = 2153610997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153611007) 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, 386606 + ... + 392136.

It is an arithmetic number, because the mean of its divisors is an integer number (270199476).

Almost surely, 22153611001 is an apocalyptic number.

It is an amenable number.

2153611001 is a deficient number, since it is larger than the sum of its proper divisors (7984807).

2153611001 is an equidigital number, since it uses as much as digits as its factorization.

2153611001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2153611001 is about 46407.0145667657. The cubic root of 2153611001 is about 1291.3850478336.

Adding to 2153611001 its reverse (1001163512), we get a palindrome (3154774513).

The spelling of 2153611001 in words is "two billion, one hundred fifty-three million, six hundred eleven thousand, one".

Divisors: 1 401 971 5531 389371 2217931 5370601 2153611001