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121313332032320 = 265512287740023
BaseRepresentation
bin11011100101010101110110…
…000011111111001101000000
3120220112102220200200220100102
4123211111312003333031000
5111400044201000013240
61110002324140141532
734360412313234461
oct3345256603771500
9526472820626312
10121313332032320
113572177133362a
12117334055378a8
13528ca4b62a91c
1421d584d0d4d68
15e05988c17815
hex6e55760ff340

121313332032320 has 56 divisors (see below), whose sum is σ = 288878326162944. Its totient is φ = 48525172517376.

The previous prime is 121313332032281. The next prime is 121313332032337. The reversal of 121313332032320 is 23230233313121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163561829 + ... + 164301851.

It is an arithmetic number, because the mean of its divisors is an integer number (5158541538624).

Almost surely, 2121313332032320 is an apocalyptic number.

121313332032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121313332032320 is an abundant number, since it is smaller than the sum of its proper divisors (167564994130624).

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

121313332032320 is an equidigital number, since it uses as much as digits as its factorization.

121313332032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252327 (or 1252317 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 121313332032320 its reverse (23230233313121), we get a palindrome (144543565345441).

The spelling of 121313332032320 in words is "one hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-two million, thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 512287 740023 1024574 1480046 2049148 2561435 2960092 3700115 4098296 5122870 5920184 7400230 8196592 10245740 11840368 14800460 16393184 20491480 23680736 29600920 32786368 40982960 47361472 59201840 81965920 118403680 163931840 236807360 379104162601 758208325202 1516416650404 1895520813005 3032833300808 3791041626010 6065666601616 7582083252020 12131333203232 15164166504040 24262666406464 30328333008080 60656666016160 121313332032320