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30302012242320 = 243571314924373821
BaseRepresentation
bin1101110001111001111001…
…01011001111100110010000
310222021211210100000021202120
412320330330223033212100
512432432010113223240
6144240315141414240
76245151053162340
oct670747453174620
9128254710007676
1030302012242320
119723013a36835
12349489670a380
1313ba610110590
1476a8a7852d20
15378358e67ad0
hex1b8f3cacf990

30302012242320 has 640 divisors, whose sum is σ = 116467995571200. Its totient is φ = 6346215751680.

The previous prime is 30302012242247. The next prime is 30302012242331. The reversal of 30302012242320 is 2324221020303.

It is a super-2 number, since 2×303020122423202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7930386010 + ... + 7930389830.

It is an arithmetic number, because the mean of its divisors is an integer number (181981243080).

Almost surely, 230302012242320 is an apocalyptic number.

30302012242320 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 30302012242320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58233997785600).

30302012242320 is an abundant number, since it is smaller than the sum of its proper divisors (86165983328880).

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

30302012242320 is a wasteful number, since it uses less digits than its factorization.

30302012242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30302012242320 its reverse (2324221020303), we get a palindrome (32626233262623).

The spelling of 30302012242320 in words is "thirty trillion, three hundred two billion, twelve million, two hundred forty-two thousand, three hundred twenty".