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213425614644 = 223112117662847
BaseRepresentation
bin1100011011000100101…
…0000110111100110100
3202101212222221120111020
43012301022012330310
511444043424132034
6242014003341140
721263612535444
oct3066112067464
9671788846436
10213425614644
11825712171a0
12354439817b0
1317183930358
14a48919c124
155841e49249
hex31b1286f34

213425614644 has 48 divisors (see below), whose sum is σ = 545839988736. Its totient is φ = 64367906400.

The previous prime is 213425614639. The next prime is 213425614663. The reversal of 213425614644 is 446416524312.

It is a junction number, because it is equal to n+sod(n) for n = 213425614596 and 213425614605.

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, 3803572 + ... + 3859275.

It is an arithmetic number, because the mean of its divisors is an integer number (11371666432).

Almost surely, 2213425614644 is an apocalyptic number.

It is an amenable number.

213425614644 is an abundant number, since it is smaller than the sum of its proper divisors (332414374092).

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

213425614644 is a wasteful number, since it uses less digits than its factorization.

213425614644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663076 (or 7663074 counting only the distinct ones).

The product of its digits is 552960, while the sum is 42.

The spelling of 213425614644 in words is "two hundred thirteen billion, four hundred twenty-five million, six hundred fourteen thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 211 422 633 844 1266 2321 2532 4642 6963 9284 13926 27852 7662847 15325694 22988541 30651388 45977082 84291317 91954164 168582634 252873951 337165268 505747902 1011495804 1616860717 3233721434 4850582151 6467442868 9701164302 17785467887 19402328604 35570935774 53356403661 71141871548 106712807322 213425614644