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2145335412 = 2231116252541
BaseRepresentation
bin111111111011111…
…0011100001110100
312112111211022221010
41333313303201310
513343201213122
6552513552220
7104110023123
oct17767634164
95474738833
102145335412
11a00a93280
124ba575670
1328260204c
14164ccbaba
15c851ee0c
hex7fdf3874

2145335412 has 24 divisors (see below), whose sum is σ = 5460854112. Its totient is φ = 650101600.

The previous prime is 2145335393. The next prime is 2145335441.

2145335412 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2145335412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8126139 + ... + 8126402.

It is an arithmetic number, because the mean of its divisors is an integer number (227535588).

Almost surely, 22145335412 is an apocalyptic number.

2145335412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2145335412 is an abundant number, since it is smaller than the sum of its proper divisors (3315518700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145335412 is a wasteful number, since it uses less digits than its factorization.

2145335412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252559 (or 16252557 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2145335412 is about 46317.7656196842. The cubic root of 2145335412 is about 1289.7288078441.

It can be divided in two parts, 21453 and 35412, that added together give a palindrome (56865).

The spelling of 2145335412 in words is "two billion, one hundred forty-five million, three hundred thirty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 16252541 32505082 48757623 65010164 97515246 178777951 195030492 357555902 536333853 715111804 1072667706 2145335412