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2553011111 = 7478976157
BaseRepresentation
bin1001100000101011…
…1101101110100111
320120220221101212002
42120022331232213
520212032323421
61101155515515
7120160144040
oct23012755647
96526841762
102553011111
1110a0121042
125b2bb8b9b
13318c00281
141a30cd8c7
15ee1ecb0b
hex982bdba7

2553011111 has 8 divisors (see below), whose sum is σ = 2918374560. Its totient is φ = 2187809568.

The previous prime is 2553011089. The next prime is 2553011117. The reversal of 2553011111 is 1111103552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2553011111 - 26 = 2553011047 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 (2553011117) 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, 4556 + ... + 71601.

It is an arithmetic number, because the mean of its divisors is an integer number (364796820).

Almost surely, 22553011111 is an apocalyptic number.

2553011111 is a deficient number, since it is larger than the sum of its proper divisors (365363449).

2553011111 is an equidigital number, since it uses as much as digits as its factorization.

2553011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80953.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 2553011111 is about 50527.3303371552. The cubic root of 2553011111 is about 1366.7347444242.

Adding to 2553011111 its reverse (1111103552), we get a palindrome (3664114663).

The spelling of 2553011111 in words is "two billion, five hundred fifty-three million, eleven thousand, one hundred eleven".

Divisors: 1 7 4789 33523 76157 533099 364715873 2553011111