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21163634130214 = 224143907954627
BaseRepresentation
bin1001100111111100010101…
…11001001111110100100110
32202221020001001101000121001
410303332022321033310212
510233221110314131324
6113002234515543514
74313010403645642
oct463761271176446
982836031330531
1021163634130214
11681a4a0805994
1224597a22bab9a
13ba69506b91a4
1453247aacdc22
1526a7ac13de44
hex133f8ae4fd26

21163634130214 has 8 divisors (see below), whose sum is σ = 31877175059928. Its totient is φ = 10537909110240.

The previous prime is 21163634130187. The next prime is 21163634130217. The reversal of 21163634130214 is 41203143636112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21163634130217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21953976832 + ... + 21953977795.

It is an arithmetic number, because the mean of its divisors is an integer number (3984646882491).

Almost surely, 221163634130214 is an apocalyptic number.

21163634130214 is a deficient number, since it is larger than the sum of its proper divisors (10713540929714).

21163634130214 is a wasteful number, since it uses less digits than its factorization.

21163634130214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43907954870.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 21163634130214 its reverse (41203143636112), we get a palindrome (62366777766326).

The spelling of 21163634130214 in words is "twenty-one trillion, one hundred sixty-three billion, six hundred thirty-four million, one hundred thirty thousand, two hundred fourteen".

Divisors: 1 2 241 482 43907954627 87815909254 10581817065107 21163634130214