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120002007 = 340000669
BaseRepresentation
bin1110010011100…
…01010111010111
322100210201210210
413021301113113
5221210031012
615524020503
72655000036
oct711612727
9270721723
10120002007
1161813314
1234231733
131bb27b08
1411d1a71d
15a80623c
hex72715d7

120002007 has 4 divisors (see below), whose sum is σ = 160002680. Its totient is φ = 80001336.

The previous prime is 120001939. The next prime is 120002021. The reversal of 120002007 is 700200021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120002007 - 214 = 119985623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001983 and 120002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002807) 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, 20000332 + ... + 20000337.

It is an arithmetic number, because the mean of its divisors is an integer number (40000670).

Almost surely, 2120002007 is an apocalyptic number.

120002007 is a deficient number, since it is larger than the sum of its proper divisors (40000673).

120002007 is an equidigital number, since it uses as much as digits as its factorization.

120002007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40000672.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 120002007 is about 10954.5427563180. The cubic root of 120002007 is about 493.2451646772.

Adding to 120002007 its reverse (700200021), we get a palindrome (820202028).

The spelling of 120002007 in words is "one hundred twenty million, two thousand, seven".

Divisors: 1 3 40000669 120002007