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2140412331 = 3713470777
BaseRepresentation
bin111111110010100…
…0001100110101011
312112011120012201210
41333211001212223
513340421143311
6552220244203
7104020130121
oct17745014653
95464505653
102140412331
119a9230512
124b89a0663
1328159a295
141643a9911
15c7d9b3a6
hex7f9419ab

2140412331 has 4 divisors (see below), whose sum is σ = 2853883112. Its totient is φ = 1426941552.

The previous prime is 2140412291. The next prime is 2140412381. The reversal of 2140412331 is 1332140412.

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

It is not a de Polignac number, because 2140412331 - 217 = 2140281259 is a prime.

It is a super-2 number, since 2×21404123312 = 9162729893393707122, 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 = 2140412298 and 2140412307.

It is not an unprimeable number, because it can be changed into a prime (2140412381) 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, 356735386 + ... + 356735391.

It is an arithmetic number, because the mean of its divisors is an integer number (713470778).

Almost surely, 22140412331 is an apocalyptic number.

2140412331 is a deficient number, since it is larger than the sum of its proper divisors (713470781).

2140412331 is an equidigital number, since it uses as much as digits as its factorization.

2140412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713470780.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2140412331 is about 46264.5904661438. The cubic root of 2140412331 is about 1288.7415026394.

Adding to 2140412331 its reverse (1332140412), we get a palindrome (3472552743).

The spelling of 2140412331 in words is "two billion, one hundred forty million, four hundred twelve thousand, three hundred thirty-one".

Divisors: 1 3 713470777 2140412331