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2153620523 = 73137321487
BaseRepresentation
bin1000000001011101…
…1010010000101011
312120002102020222002
42000113122100223
513402311324043
6553411321215
7104240321015
oct20027322053
95502366862
102153620523
11a05731a7a
125012b020b
13284243192
141660471b5
15c9109bb8
hex805da42b

2153620523 has 8 divisors (see below), whose sum is σ = 2184813888. Its totient is φ = 2122473024.

The previous prime is 2153620517. The next prime is 2153620543. The reversal of 2153620523 is 3250263512.

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 2153620523 - 28 = 2153620267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153620543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89486 + ... + 110972.

It is an arithmetic number, because the mean of its divisors is an integer number (273101736).

Almost surely, 22153620523 is an apocalyptic number.

2153620523 is a deficient number, since it is larger than the sum of its proper divisors (31193365).

2153620523 is a wasteful number, since it uses less digits than its factorization.

2153620523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22933.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2153620523 is about 46407.1171589014. The cubic root of 2153620523 is about 1291.3869510789.

The spelling of 2153620523 in words is "two billion, one hundred fifty-three million, six hundred twenty thousand, five hundred twenty-three".

Divisors: 1 73 1373 21487 100229 1568551 29501651 2153620523