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30904248144 = 24371119597459
BaseRepresentation
bin11100110010000010…
…010110011101010000
32221202202210110122010
4130302002112131100
51001242441420034
622110333142520
72142556526550
oct346202263520
987682713563
1030904248144
1112119708050
125ba592aa40
132bb6818283
1416d258d160
15c0d1e43e9
hex732096750

30904248144 has 320 divisors, whose sum is σ = 106564608000. Its totient is φ = 7474705920.

The previous prime is 30904248107. The next prime is 30904248197. The reversal of 30904248144 is 44184240903.

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, 4139487 + ... + 4146945.

It is an arithmetic number, because the mean of its divisors is an integer number (333014400).

Almost surely, 230904248144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30904248144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53282304000).

30904248144 is an abundant number, since it is smaller than the sum of its proper divisors (75660359856).

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

30904248144 is a wasteful number, since it uses less digits than its factorization.

30904248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566 (or 7560 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 30904248144 in words is "thirty billion, nine hundred four million, two hundred forty-eight thousand, one hundred forty-four".