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213402544132 = 22237681301991
BaseRepresentation
bin1100011010111111001…
…0000110100000000100
3202101211101112110200211
43012233302012200010
511444022022403012
6242011421045204
721263212460461
oct3065762064004
9671741473624
10213402544132
118255a199a58
12354380b6804
131717bc1346b
14a4860b4668
15583eddd6a7
hex31afc86804

213402544132 has 24 divisors (see below), whose sum is σ = 389743627392. Its totient is φ = 102048460800.

The previous prime is 213402544123. The next prime is 213402544153. The reversal of 213402544132 is 231445204312.

It is a junction number, because it is equal to n+sod(n) for n = 213402544094 and 213402544103.

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, 555657 + ... + 857647.

It is an arithmetic number, because the mean of its divisors is an integer number (16239317808).

Almost surely, 2213402544132 is an apocalyptic number.

It is an amenable number.

213402544132 is a deficient number, since it is larger than the sum of its proper divisors (176341083260).

213402544132 is a wasteful number, since it uses less digits than its factorization.

213402544132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309699 (or 309697 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 213402544132 its reverse (231445204312), we get a palindrome (444847748444).

The spelling of 213402544132 in words is "two hundred thirteen billion, four hundred two million, five hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 23 46 92 7681 15362 30724 176663 301991 353326 603982 706652 1207964 6945793 13891586 27783172 2319592871 4639185742 9278371484 53350636033 106701272066 213402544132