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213461790635 = 51131258930011
BaseRepresentation
bin1100011011001101010…
…0000110111110101011
3202101222112000111121202
43012303110012332223
511444132204300020
6242021334554415
721264532166012
oct3066324067653
9671875014552
10213461790635
118258a685805
1235453b08a0b
131718b288472
14a48dcd7a79
1558451e2e75
hex31b3506fab

213461790635 has 16 divisors (see below), whose sum is σ = 258450138720. Its totient is φ = 169239114240.

The previous prime is 213461790613. The next prime is 213461790671. The reversal of 213461790635 is 536097164312.

It is not a de Polignac number, because 213461790635 - 28 = 213461790379 is a prime.

It is a super-2 number, since 2×2134617906352 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213461790635.

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, 7097780 + ... + 7127790.

It is an arithmetic number, because the mean of its divisors is an integer number (16153133670).

Almost surely, 2213461790635 is an apocalyptic number.

213461790635 is a deficient number, since it is larger than the sum of its proper divisors (44988348085).

213461790635 is a wasteful number, since it uses less digits than its factorization.

213461790635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42718.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 213461790635 in words is "two hundred thirteen billion, four hundred sixty-one million, seven hundred ninety thousand, six hundred thirty-five".

Divisors: 1 5 113 565 12589 30011 62945 150055 1422557 3391243 7112785 16956215 377808479 1889042395 42692358127 213461790635