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30542042002 = 21719927116657
BaseRepresentation
bin11100011100011100…
…101001001110010010
32220211112020111012211
4130130130221032102
51000022230321002
622010353542334
72130601034143
oct343434511622
986745214184
1030542042002
1111a5320622a
125b045749aa
132b5977a304
14169a425aca
15bdb4e8dd7
hex71c729392

30542042002 has 32 divisors (see below), whose sum is σ = 48934540800. Its totient is φ = 14246876160.

The previous prime is 30542041997. The next prime is 30542042009. The reversal of 30542042002 is 20024024503.

It is not an unprimeable number, because it can be changed into a prime (30542042009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825258 + ... + 1841914.

It is an arithmetic number, because the mean of its divisors is an integer number (1529204400).

Almost surely, 230542042002 is an apocalyptic number.

30542042002 is a deficient number, since it is larger than the sum of its proper divisors (18392498798).

30542042002 is a wasteful number, since it uses less digits than its factorization.

30542042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 30542042002 its reverse (20024024503), we get a palindrome (50566066505).

The spelling of 30542042002 in words is "thirty billion, five hundred forty-two million, forty-two thousand, two".

Divisors: 1 2 17 34 199 271 398 542 3383 4607 6766 9214 16657 33314 53929 107858 283169 566338 916793 1833586 3314743 4514047 6629486 9028094 56350631 76738799 112701262 153477598 898295353 1796590706 15271021001 30542042002