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2153220511 = 131091151817
BaseRepresentation
bin1000000001010111…
…1000100110011111
312120001122221020211
42000111320212133
513402211024021
6553354553251
7104234033551
oct20025704637
95501587224
102153220511
11a05489492
12501138827
132841330a0
14165d814d1
15c907b3e1
hex8057899f

2153220511 has 8 divisors (see below), whose sum is σ = 2320993584. Its totient is φ = 1985753280.

The previous prime is 2153220497. The next prime is 2153220533. The reversal of 2153220511 is 1150223512.

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 2153220511 - 213 = 2153212319 is a prime.

It is a super-2 number, since 2×21532205112 = 9272717137982202242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153220551) 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, 61726 + ... + 90091.

It is an arithmetic number, because the mean of its divisors is an integer number (290124198).

Almost surely, 22153220511 is an apocalyptic number.

2153220511 is a deficient number, since it is larger than the sum of its proper divisors (167773073).

2153220511 is a wasteful number, since it uses less digits than its factorization.

2153220511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152921.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2153220511 is about 46402.8071456889. The cubic root of 2153220511 is about 1291.3069923524.

The spelling of 2153220511 in words is "two billion, one hundred fifty-three million, two hundred twenty thousand, five hundred eleven".

Divisors: 1 13 1091 14183 151817 1973621 165632347 2153220511