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213112030020122 = 21912934743357877
BaseRepresentation
bin110000011101001100000010…
…110110001100001000011010
31000221120022101210101021022102
4300131030002312030020122
5210413111414141120442
62033130152014123402
762613556525462532
oct6035140266141032
91027508353337272
10213112030020122
11619a4339144332
121ba9a6577b0562
1391bb4bbb9c71c
143a8a96a6a04c2
1519987edb61232
hexc1d302d8c21a

213112030020122 has 16 divisors (see below), whose sum is σ = 336495288212640. Its totient is φ = 100947020923728.

The previous prime is 213112030020107. The next prime is 213112030020161. The reversal of 213112030020122 is 221020030211312.

It is a junction number, because it is equal to n+sod(n) for n = 213112030020094 and 213112030020103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16763753 + ... + 26594124.

It is an arithmetic number, because the mean of its divisors is an integer number (21030955513290).

Almost surely, 2213112030020122 is an apocalyptic number.

213112030020122 is a deficient number, since it is larger than the sum of its proper divisors (123383258192518).

213112030020122 is a wasteful number, since it uses less digits than its factorization.

213112030020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487245.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213112030020122 its reverse (221020030211312), we get a palindrome (434132060231434).

The spelling of 213112030020122 in words is "two hundred thirteen trillion, one hundred twelve billion, thirty million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 19 38 129347 258694 2457593 4915186 43357877 86715754 823799663 1647599326 5608211316319 11216422632638 106556015010061 213112030020122