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30021320232320 = 27561776026439
BaseRepresentation
bin1101101001101111000100…
…01000001100110110000000
310221022000021102110210000012
412310313202020030312000
512413332130434413240
6143503334253444052
76215653205361014
oct664674210146600
9127260242423005
1030021320232320
119624a7468716a
12344a3bb4a0628
131399cc94b6c31
1475b07ab3c544
15370dcb8ceb65
hex1b4de220cd80

30021320232320 has 64 divisors (see below), whose sum is σ = 71886040077600. Its totient is φ = 11989065166848.

The previous prime is 30021320232311. The next prime is 30021320232331. The reversal of 30021320232320 is 2323202312003.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 37618340 + ... + 38408099.

Almost surely, 230021320232320 is an apocalyptic number.

It is an amenable number.

30021320232320 is an abundant number, since it is smaller than the sum of its proper divisors (41864719845280).

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

30021320232320 is an equidigital number, since it uses as much as digits as its factorization.

30021320232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76027075 (or 76027063 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30021320232320 its reverse (2323202312003), we get a palindrome (32344522544323).

The spelling of 30021320232320 in words is "thirty trillion, twenty-one billion, three hundred twenty million, two hundred thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 617 640 1234 2468 3085 4936 6170 9872 12340 19744 24680 39488 49360 78976 98720 197440 394880 76026439 152052878 304105756 380132195 608211512 760264390 1216423024 1520528780 2432846048 3041057560 4865692096 6082115120 9731384192 12164230240 24328460480 46908312863 48656920960 93816625726 187633251452 234541564315 375266502904 469083128630 750533005808 938166257260 1501066011616 1876332514520 3002132023232 3752665029040 6004264046464 7505330058080 15010660116160 30021320232320