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2153104253 = 2203977351
BaseRepresentation
bin1000000001010101…
…1100001101111101
312120001110000202222
42000111130031331
513402143314003
6553352255125
7104233040606
oct20025341575
95501400688
102153104253
11a0540a103
125010a14a5
132840c21b1
14165d50dad
15c9056c38
hex8055c37d

2153104253 has 4 divisors (see below), whose sum is σ = 2154083808. Its totient is φ = 2152124700.

The previous prime is 2153104243. The next prime is 2153104273. The reversal of 2153104253 is 3524013512.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2153104253 - 24 = 2153104237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153104243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486473 + ... + 490878.

It is an arithmetic number, because the mean of its divisors is an integer number (538520952).

Almost surely, 22153104253 is an apocalyptic number.

It is an amenable number.

2153104253 is a deficient number, since it is larger than the sum of its proper divisors (979555).

2153104253 is an equidigital number, since it uses as much as digits as its factorization.

2153104253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979554.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2153104253 is about 46401.5544243940. The cubic root of 2153104253 is about 1291.2837515883.

Adding to 2153104253 its reverse (3524013512), we get a palindrome (5677117765).

The spelling of 2153104253 in words is "two billion, one hundred fifty-three million, one hundred four thousand, two hundred fifty-three".

Divisors: 1 2203 977351 2153104253