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211201210002 = 23194779498961
BaseRepresentation
bin1100010010110010010…
…0101011011010010010
3202012010222100002222010
43010230210223122102
511430020002210002
6241005142523350
721154522443636
oct3045444533222
9665128302863
10211201210002
118162a639052
1234b22a36556
1316bbab357a3
14a3179aadc6
155761a0b46c
hex312c92b692

211201210002 has 64 divisors (see below), whose sum is σ = 459843379200. Its totient is φ = 64449665280.

The previous prime is 211201210001. The next prime is 211201210019. The reversal of 211201210002 is 200012102112.

It is a super-2 number, since 2×2112012100022 (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 211201210002.

It is not an unprimeable number, because it can be changed into a prime (211201210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173802 + ... + 672762.

It is an arithmetic number, because the mean of its divisors is an integer number (7185052800).

Almost surely, 2211201210002 is an apocalyptic number.

211201210002 is an abundant number, since it is smaller than the sum of its proper divisors (248642169198).

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

211201210002 is a wasteful number, since it uses less digits than its factorization.

211201210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211201210002 its reverse (200012102112), we get a palindrome (411213312114).

The spelling of 211201210002 in words is "two hundred eleven billion, two hundred one million, two hundred ten thousand, two".

Divisors: 1 2 3 6 19 38 47 57 79 94 114 141 158 237 282 474 893 1501 1786 2679 3002 3713 4503 5358 7426 9006 11139 22278 70547 141094 211641 423282 498961 997922 1496883 2993766 9480259 18960518 23451167 28440777 39417919 46902334 56881554 70353501 78835838 118253757 140707002 236507514 445572173 748940461 891144346 1336716519 1497880922 1852642193 2246821383 2673433038 3705284386 4493642766 5557926579 11115853158 35200201667 70400403334 105600605001 211201210002