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120001110000001 = 472553215106383
BaseRepresentation
bin11011010010001111101111…
…100010001100000110000001
3120201212222211200102212200121
4123102033233202030012001
5111212044233130000001
61103115425432020241
734163536242056566
oct3322175742140601
9521788750385617
10120001110000001
113526620419968a
1211561028b31681
1351c609639c1c9
14218c12865286d
15dd1786d146a1
hex6d23ef88c181

120001110000001 has 4 divisors (see below), whose sum is σ = 122554325106432. Its totient is φ = 117447894893572.

The previous prime is 120001109999999. The next prime is 120001110000053. The reversal of 120001110000001 is 100000011100021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120001110000001 - 21 = 120001109999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001110000071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276607553145 + ... + 1276607553238.

It is an arithmetic number, because the mean of its divisors is an integer number (30638581276608).

Almost surely, 2120001110000001 is an apocalyptic number.

It is an amenable number.

120001110000001 is a deficient number, since it is larger than the sum of its proper divisors (2553215106431).

120001110000001 is an equidigital number, since it uses as much as digits as its factorization.

120001110000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553215106430.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 120001110000001 its reverse (100000011100021), we get a palindrome (220001121100022).

The spelling of 120001110000001 in words is "one hundred twenty trillion, one billion, one hundred ten million, one", and thus it is an aban number.

Divisors: 1 47 2553215106383 120001110000001