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1214183630452 = 2213373531787741
BaseRepresentation
bin10001101010110010111…
…110111110011001110100
311022002000112201012011211
4101222302332332121310
5124343122002133302
62325442133011204
7153502413400222
oct21526276763164
94262015635154
101214183630452
11428a29007631
12177397783b04
138a65cc6c050
1442aa4161b12
15218b4ee2ad7
hex11ab2fbe674

1214183630452 has 48 divisors (see below), whose sum is σ = 2356773127632. Its totient is φ = 543701790720.

The previous prime is 1214183630447. The next prime is 1214183630557. The reversal of 1214183630452 is 2540363814121.

It can be written as a sum of positive squares in 8 ways, for example, as 52911076 + 1214130719376 = 7274^2 + 1101876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214699 + ... + 1573042.

It is an arithmetic number, because the mean of its divisors is an integer number (49099440159).

Almost surely, 21214183630452 is an apocalyptic number.

It is an amenable number.

1214183630452 is a deficient number, since it is larger than the sum of its proper divisors (1142589497180).

1214183630452 is a wasteful number, since it uses less digits than its factorization.

1214183630452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788148 (or 1788146 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1214183630452 in words is "one trillion, two hundred fourteen billion, one hundred eighty-three million, six hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 37 52 74 148 353 481 706 962 1412 1924 4589 9178 13061 18356 26122 52244 169793 339586 679172 1787741 3575482 7150964 23240633 46481266 66146417 92962532 132292834 264585668 631072573 859903421 1262145146 1719806842 2524290292 3439613684 8203943449 16407886898 23349685201 32815773796 46699370402 93398740804 303545907613 607091815226 1214183630452