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2141400431 = 8924060679
BaseRepresentation
bin111111110100011…
…0010110101101111
312112020102102011002
41333220302311233
513341144303211
6552253350515
7104031413642
oct17750626557
95466372132
102141400431
119a9845925
124b919843b
13281854c61
14164585a59
15c7ee403b
hex7fa32d6f

2141400431 has 4 divisors (see below), whose sum is σ = 2165461200. Its totient is φ = 2117339664.

The previous prime is 2141400413. The next prime is 2141400451. The reversal of 2141400431 is 1340041412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2141400431 - 230 = 1067658607 is a prime.

It is a super-2 number, since 2×21414004312 = 9171191611773971522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141400451) 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, 12030251 + ... + 12030428.

It is an arithmetic number, because the mean of its divisors is an integer number (541365300).

Almost surely, 22141400431 is an apocalyptic number.

2141400431 is a deficient number, since it is larger than the sum of its proper divisors (24060769).

2141400431 is an equidigital number, since it uses as much as digits as its factorization.

2141400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24060768.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2141400431 is about 46275.2680273167. The cubic root of 2141400431 is about 1288.9397836838.

Adding to 2141400431 its reverse (1340041412), we get a palindrome (3481441843).

The spelling of 2141400431 in words is "two billion, one hundred forty-one million, four hundred thousand, four hundred thirty-one".

Divisors: 1 89 24060679 2141400431