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30542142002 = 219803740579
BaseRepresentation
bin11100011100011101…
…000001101000110010
32220211112102120101112
4130130131001220302
51000022242021002
622010400033322
72130601631531
oct343435015062
986745376345
1030542142002
1111a53274379
125b04602842
132b597b3998
14169a450318
15bdb518852
hex71c741a32

30542142002 has 8 divisors (see below), whose sum is σ = 48224434800. Its totient is φ = 14467330404.

The previous prime is 30542141951. The next prime is 30542142017. The reversal of 30542142002 is 20024124503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401870252 + ... + 401870327.

It is an arithmetic number, because the mean of its divisors is an integer number (6028054350).

Almost surely, 230542142002 is an apocalyptic number.

30542142002 is a deficient number, since it is larger than the sum of its proper divisors (17682292798).

30542142002 is a wasteful number, since it uses less digits than its factorization.

30542142002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803740600.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 30542142002 its reverse (20024124503), we get a palindrome (50566266505).

The spelling of 30542142002 in words is "thirty billion, five hundred forty-two million, one hundred forty-two thousand, two".

Divisors: 1 2 19 38 803740579 1607481158 15271071001 30542142002