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120002042 = 260001021
BaseRepresentation
bin1110010011100…
…01010111111010
322100210201212002
413021301113322
5221210031132
615524021002
72655000116
oct711612772
9270721762
10120002042
1161813346
1234231762
131bb27b34
1411d1a746
15a806262
hex72715fa

120002042 has 4 divisors (see below), whose sum is σ = 180003066. Its totient is φ = 60001020.

The previous prime is 120002041. The next prime is 120002059. The reversal of 120002042 is 240200021.

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

It can be written as a sum of positive squares in only one way, i.e., 65108761 + 54893281 = 8069^2 + 7409^2 .

It is not an unprimeable number, because it can be changed into a prime (120002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000509 + ... + 30000512.

Almost surely, 2120002042 is an apocalyptic number.

120002042 is a deficient number, since it is larger than the sum of its proper divisors (60001024).

120002042 is an equidigital number, since it uses as much as digits as its factorization.

120002042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60001023.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 120002042 is about 10954.5443538287. The cubic root of 120002042 is about 493.2452126308.

Adding to 120002042 its reverse (240200021), we get a palindrome (360202063).

The spelling of 120002042 in words is "one hundred twenty million, two thousand, forty-two".

Divisors: 1 2 60001021 120002042