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212404102001 = 7137929545709
BaseRepresentation
bin1100010111010001000…
…1010110001101110001
3202022020210210100120122
43011310101112031301
511440000422231001
6241324353020025
721226400035460
oct3056421261561
9668223710518
10212404102001
118209763a673
12351b9854615
13170501003c0
14a3cd6509d7
1557d2418b1b
hex3174456371

212404102001 has 16 divisors (see below), whose sum is σ = 264729561600. Its totient is φ = 165928696128.

The previous prime is 212404101971. The next prime is 212404102021. The reversal of 212404102001 is 100201404212.

It is not a de Polignac number, because 212404102001 - 26 = 212404101937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212404102021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14765666 + ... + 14780043.

It is an arithmetic number, because the mean of its divisors is an integer number (16545597600).

Almost surely, 2212404102001 is an apocalyptic number.

It is an amenable number.

212404102001 is a deficient number, since it is larger than the sum of its proper divisors (52325459599).

212404102001 is a wasteful number, since it uses less digits than its factorization.

212404102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29545808.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212404102001 its reverse (100201404212), we get a palindrome (312605506213).

The spelling of 212404102001 in words is "two hundred twelve billion, four hundred four million, one hundred two thousand, one".

Divisors: 1 7 13 79 91 553 1027 7189 29545709 206819963 384094217 2334111011 2688659519 16338777077 30343443143 212404102001