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2104153321 = 2391484927
BaseRepresentation
bin111110101101010…
…1101010011101001
312102122100001201111
41331122231103221
513302130401241
6544443150321
7103100002534
oct17532552351
95378301644
102104153321
1198a815596
124a88153a1
13276c1344a
1415d64ba1b
15c4ad7c81
hex7d6ad4e9

2104153321 has 4 divisors (see below), whose sum is σ = 2195638272. Its totient is φ = 2012668372.

The previous prime is 2104153313. The next prime is 2104153327. The reversal of 2104153321 is 1233514012.

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 2104153321 - 23 = 2104153313 is a prime.

It is a super-2 number, since 2×21041533212 = 8854922396550658082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104153292 and 2104153301.

It is not an unprimeable number, because it can be changed into a prime (2104153327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45742441 + ... + 45742486.

It is an arithmetic number, because the mean of its divisors is an integer number (548909568).

Almost surely, 22104153321 is an apocalyptic number.

It is an amenable number.

2104153321 is a deficient number, since it is larger than the sum of its proper divisors (91484951).

2104153321 is an equidigital number, since it uses as much as digits as its factorization.

2104153321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91484950.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2104153321 is about 45871.0510125940. The cubic root of 2104153321 is about 1281.4228401974.

Adding to 2104153321 its reverse (1233514012), we get a palindrome (3337667333).

The spelling of 2104153321 in words is "two billion, one hundred four million, one hundred fifty-three thousand, three hundred twenty-one".

Divisors: 1 23 91484927 2104153321