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2141231351 = 736242657
BaseRepresentation
bin111111110100000…
…1001100011110111
312112020002211012212
41333220021203313
513341123400401
6552250004035
7104030111000
oct17750114367
95466084185
102141231351
119a973a896
124b911661b
132817c5ccc
141645401a7
15c7eaddbb
hex7fa098f7

2141231351 has 8 divisors (see below), whose sum is σ = 2497063200. Its totient is φ = 1835340864.

The previous prime is 2141231347. The next prime is 2141231369. The reversal of 2141231351 is 1531321412.

It is not a de Polignac number, because 2141231351 - 22 = 2141231347 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 (2141231251) 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 7 ways as a sum of consecutive naturals, for example, 3120986 + ... + 3121671.

It is an arithmetic number, because the mean of its divisors is an integer number (312132900).

Almost surely, 22141231351 is an apocalyptic number.

2141231351 is a deficient number, since it is larger than the sum of its proper divisors (355831849).

2141231351 is an frugal number, since it uses more digits than its factorization.

2141231351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242678 (or 6242664 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2141231351 is about 46273.4410974589. The cubic root of 2141231351 is about 1288.9058588946.

Adding to 2141231351 its reverse (1531321412), we get a palindrome (3672552763).

The spelling of 2141231351 in words is "two billion, one hundred forty-one million, two hundred thirty-one thousand, three hundred fifty-one".

Divisors: 1 7 49 343 6242657 43698599 305890193 2141231351