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30142122430020 = 2235103349106313147
BaseRepresentation
bin1101101101010000000101…
…00000000000111001000100
310221201120002100010020212120
412312220002200000321010
512422322031320230040
6144035033324045540
76230460615202146
oct666500240007104
9127646070106776
1030142122430020
119671225343297
1234698b39938b0
1313a850b9435a3
14762c5a822c96
153740ebee37d0
hex1b6a02800e44

30142122430020 has 192 divisors, whose sum is σ = 85548419174400. Its totient is φ = 7928984028672.

The previous prime is 30142122430019. The next prime is 30142122430039. The reversal of 30142122430020 is 2003422124103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2292693087 + ... + 2292706233.

It is an arithmetic number, because the mean of its divisors is an integer number (445564683200).

Almost surely, 230142122430020 is an apocalyptic number.

30142122430020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30142122430020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42774209587200).

30142122430020 is an abundant number, since it is smaller than the sum of its proper divisors (55406296744380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30142122430020 is a wasteful number, since it uses less digits than its factorization.

30142122430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674 (or 14672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30142122430020 its reverse (2003422124103), we get a palindrome (32145544554123).

The spelling of 30142122430020 in words is "thirty trillion, one hundred forty-two billion, one hundred twenty-two million, four hundred thirty thousand, twenty".