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30502321059840 = 21135723141107149
BaseRepresentation
bin1101110111101111000000…
…00000101111100000000000
310222222222211012101112020220
412323313200000233200000
512444222223142403330
6144512323422503040
76265501644062100
oct673674000574000
9128888735345226
1030502321059840
11979aa64054123
123507679734a80
1314034833c6ac6
1477646a961200
1537d67e58d710
hex1bbde002f800

30502321059840 has 2304 divisors, whose sum is σ = 121970354688000. Its totient is φ = 6477211238400.

The previous prime is 30502321059839. The next prime is 30502321059863. The reversal of 30502321059840 is 4895012320503.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30502321059792 and 30502321059801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 204713564086 + ... + 204713564234.

It is an arithmetic number, because the mean of its divisors is an integer number (52938522000).

Almost surely, 230502321059840 is an apocalyptic number.

30502321059840 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 30502321059840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60985177344000).

30502321059840 is an abundant number, since it is smaller than the sum of its proper divisors (91468033628160).

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

30502321059840 is a wasteful number, since it uses less digits than its factorization.

30502321059840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 30502321059840 in words is "thirty trillion, five hundred two billion, three hundred twenty-one million, fifty-nine thousand, eight hundred forty".