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20154203072304 = 243759982747239
BaseRepresentation
bin1001001010100100001000…
…00111010110011100110000
32122100201112001202012210220
410211102010013112130300
510120201301441303204
6110510414005053040
74150043640351150
oct445220407263460
978321461665726
1020154203072304
116470393240664
1223160299b7180
13b326c1576412
144d967bd04760
1524e3cc9501d9
hex1254841d6730

20154203072304 has 40 divisors (see below), whose sum is σ = 59502885262080. Its totient is φ = 5758343734848.

The previous prime is 20154203072251. The next prime is 20154203072309. The reversal of 20154203072304 is 40327030245102.

It is not an unprimeable number, because it can be changed into a prime (20154203072309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29991373284 + ... + 29991373955.

It is an arithmetic number, because the mean of its divisors is an integer number (1487572131552).

Almost surely, 220154203072304 is an apocalyptic number.

20154203072304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20154203072304 is an abundant number, since it is smaller than the sum of its proper divisors (39348682189776).

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

20154203072304 is a wasteful number, since it uses less digits than its factorization.

20154203072304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59982747257 (or 59982747251 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 20154203072304 in words is "twenty trillion, one hundred fifty-four billion, two hundred three million, seventy-two thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 59982747239 119965494478 179948241717 239930988956 359896483434 419879230673 479861977912 719792966868 839758461346 959723955824 1259637692019 1439585933736 1679516922692 2519275384038 2879171867472 3359033845384 5038550768076 6718067690768 10077101536152 20154203072304