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213212143005 = 3517857975643
BaseRepresentation
bin1100011010010001101…
…1110001110110011101
3202101100010021002110020
43012210123301312131
511443124302034010
6241540500102353
721255411212241
oct3064433616635
9671303232406
10213212143005
1182471772854
12353a43949b9
131714b63a284
14a468ab0421
15582d32d470
hex31a46f1d9d

213212143005 has 32 divisors (see below), whose sum is σ = 361628302464. Its totient is φ = 106899142656.

The previous prime is 213212142989. The next prime is 213212143091. The reversal of 213212143005 is 500341212312.

It is not a de Polignac number, because 213212143005 - 24 = 213212142989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269287 + ... + 706356.

It is an arithmetic number, because the mean of its divisors is an integer number (11300884452).

Almost surely, 2213212143005 is an apocalyptic number.

It is an amenable number.

213212143005 is a deficient number, since it is larger than the sum of its proper divisors (148416159459).

213212143005 is a wasteful number, since it uses less digits than its factorization.

213212143005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976525.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 213212143005 its reverse (500341212312), we get a palindrome (713553355317).

The spelling of 213212143005 in words is "two hundred thirteen billion, two hundred twelve million, one hundred forty-three thousand, five".

Divisors: 1 3 5 15 17 51 85 255 857 2571 4285 12855 14569 43707 72845 218535 975643 2926929 4878215 14634645 16585931 49757793 82929655 248788965 836126051 2508378153 4180630255 12541890765 14214142867 42642428601 71070714335 213212143005