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30243320849280 = 27357111271610771
BaseRepresentation
bin1101110000001100100100…
…11001010110001110000000
310222002020022000210121021210
412320012102121112032000
512431001310114134110
6144153331221250120
76241002453443310
oct670062231261600
9128066260717253
1030243320849280
1197001361a5530
123485436b63940
1313b4c18812b46
14767adaac1440
15376a71555520
hex1b8192656380

30243320849280 has 512 divisors, whose sum is σ = 121134177976320. Its totient is φ = 6234839654400.

The previous prime is 30243320849249. The next prime is 30243320849323. The reversal of 30243320849280 is 8294802334203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 17970295 + ... + 19581065.

It is an arithmetic number, because the mean of its divisors is an integer number (236590191360).

Almost surely, 230243320849280 is an apocalyptic number.

30243320849280 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 30243320849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60567088988160).

30243320849280 is an abundant number, since it is smaller than the sum of its proper divisors (90890857127040).

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

30243320849280 is a wasteful number, since it uses less digits than its factorization.

30243320849280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610938 (or 1610926 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 30243320849280 in words is "thirty trillion, two hundred forty-three billion, three hundred twenty million, eight hundred forty-nine thousand, two hundred eighty".