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2145212431041 = 343503143323071
BaseRepresentation
bin11111001101111000100…
…111111111101011000001
321121002011112122122212210
4133031320213333223001
5240121343340243131
64321255203212333
7310662235542231
oct37157047775301
97532145578783
102145212431041
11757863545579
122a790b3770a9
131273a5ca2494
1475b86479cc1
153ac06618146
hex1f3789ffac1

2145212431041 has 32 divisors (see below), whose sum is σ = 2934793838592. Its totient is φ = 1393072168320.

The previous prime is 2145212431013. The next prime is 2145212431051. The reversal of 2145212431041 is 1401342125412.

It is not a de Polignac number, because 2145212431041 - 25 = 2145212431009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2145212431051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92971536 + ... + 92994606.

It is an arithmetic number, because the mean of its divisors is an integer number (91712307456).

Almost surely, 22145212431041 is an apocalyptic number.

It is an amenable number.

2145212431041 is a deficient number, since it is larger than the sum of its proper divisors (789581407551).

2145212431041 is a wasteful number, since it uses less digits than its factorization.

2145212431041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25053.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 2145212431041 its reverse (1401342125412), we get a palindrome (3546554556453).

The spelling of 2145212431041 in words is "two trillion, one hundred forty-five billion, two hundred twelve million, four hundred thirty-one thousand, forty-one".

Divisors: 1 3 43 129 503 1433 1509 4299 21629 23071 61619 64887 69213 184857 720799 992053 2162397 2976159 11604713 30994357 33060743 34814139 92983071 99182229 499002659 1421611949 1497007977 4264835847 16629553729 49888661187 715070810347 2145212431041