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30123122001 = 371784378493
BaseRepresentation
bin11100000011011110…
…100101110101010001
32212202022222011000020
4130003132211311101
5443143004401001
621501031014053
72114323212060
oct340336456521
985668864006
1030123122001
1111858798455
125a0820a329
132ac0a4305b
14165a9381d7
15bb4849736
hex7037a5d51

30123122001 has 16 divisors (see below), whose sum is σ = 48602012544. Its totient is φ = 16200670464.

The previous prime is 30123121997. The next prime is 30123122027. The reversal of 30123122001 is 10022132103.

It is not a de Polignac number, because 30123122001 - 22 = 30123121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30123122201) 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, 42188890 + ... + 42189603.

It is an arithmetic number, because the mean of its divisors is an integer number (3037625784).

Almost surely, 230123122001 is an apocalyptic number.

It is an amenable number.

30123122001 is a deficient number, since it is larger than the sum of its proper divisors (18478890543).

30123122001 is a wasteful number, since it uses less digits than its factorization.

30123122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84378520.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30123122001 its reverse (10022132103), we get a palindrome (40145254104).

The spelling of 30123122001 in words is "thirty billion, one hundred twenty-three million, one hundred twenty-two thousand, one".

Divisors: 1 3 7 17 21 51 119 357 84378493 253135479 590649451 1434434381 1771948353 4303303143 10041040667 30123122001