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30142401998 = 253284362283
BaseRepresentation
bin11100000100101000…
…001000110111001110
32212210200020200012012
4130010220020313032
5443212423330443
621503000141222
72114646122012
oct340450106716
985720220165
1030142401998
1111868666835
125a12767812
132ac4a33837
14165d316542
15bb63a7118
hex704a08dce

30142401998 has 8 divisors (see below), whose sum is σ = 46066690008. Its totient is φ = 14786838664.

The previous prime is 30142401997. The next prime is 30142402013. The reversal of 30142401998 is 89910424103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142401997) 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, 142181036 + ... + 142181247.

It is an arithmetic number, because the mean of its divisors is an integer number (5758336251).

Almost surely, 230142401998 is an apocalyptic number.

30142401998 is a deficient number, since it is larger than the sum of its proper divisors (15924288010).

30142401998 is a wasteful number, since it uses less digits than its factorization.

30142401998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284362338.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 30142401998 in words is "thirty billion, one hundred forty-two million, four hundred one thousand, nine hundred ninety-eight".

Divisors: 1 2 53 106 284362283 568724566 15071200999 30142401998