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212210401302 = 23211789466739
BaseRepresentation
bin1100010110100010111…
…0011100000000010110
3202021202022022100011200
43011220232130000112
511434101330320202
6241253233213330
721221525435424
oct3055056340026
9667668270150
10212210401302
1181aa826a449
1235164a01246
131701bc403c3
14a3b1a2c114
1557c0405e1c
hex3168b9c016

212210401302 has 12 divisors (see below), whose sum is σ = 459789202860. Its totient is φ = 70736800428.

The previous prime is 212210401297. The next prime is 212210401303. The reversal of 212210401302 is 203104012212.

It is a happy number.

212210401302 is a `hidden beast` number, since 21 + 2 + 210 + 401 + 30 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11789466739 = 212210401302 / (2 + 1 + 2 + 2 + 1 + 0 + 4 + 0 + 1 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210401303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5894733352 + ... + 5894733387.

It is an arithmetic number, because the mean of its divisors is an integer number (38315766905).

Almost surely, 2212210401302 is an apocalyptic number.

212210401302 is an abundant number, since it is smaller than the sum of its proper divisors (247578801558).

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

212210401302 is a wasteful number, since it uses less digits than its factorization.

212210401302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789466747 (or 11789466744 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212210401302 its reverse (203104012212), we get a palindrome (415314413514).

The spelling of 212210401302 in words is "two hundred twelve billion, two hundred ten million, four hundred one thousand, three hundred two".

Divisors: 1 2 3 6 9 18 11789466739 23578933478 35368400217 70736800434 106105200651 212210401302