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2551151431 = 29109807071
BaseRepresentation
bin1001100000001111…
…0111101101000111
320120210102220212001
42120003313231013
520211043321211
61101052010131
7120135300163
oct23003675507
96523386761
102551151431
11109a070914
125b2460947
133186cb97a
141a2b67ca3
15ede81ac1
hex980f7b47

2551151431 has 8 divisors (see below), whose sum is σ = 2663337600. Its totient is φ = 2440579680.

The previous prime is 2551151423. The next prime is 2551151521. The reversal of 2551151431 is 1341511552.

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

It is not a de Polignac number, because 2551151431 - 23 = 2551151423 is a prime.

It is a super-2 number, since 2×25511514312 = 13016747247786695522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551151431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551151731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400375 + ... + 406696.

It is an arithmetic number, because the mean of its divisors is an integer number (332917200).

Almost surely, 22551151431 is an apocalyptic number.

2551151431 is a deficient number, since it is larger than the sum of its proper divisors (112186169).

2551151431 is a wasteful number, since it uses less digits than its factorization.

2551151431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807209.

The product of its digits is 3000, while the sum is 28.

The square root of 2551151431 is about 50508.9242708652. The cubic root of 2551151431 is about 1366.4028087147.

Adding to 2551151431 its reverse (1341511552), we get a palindrome (3892662983).

The spelling of 2551151431 in words is "two billion, five hundred fifty-one million, one hundred fifty-one thousand, four hundred thirty-one".

Divisors: 1 29 109 3161 807071 23405059 87970739 2551151431